States, nations and boundaries, and how borders changed after wars
Grade 9 Social Studies Worksheet

Circle the best answer.
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Boundary changes in Europe, 1918 to 1922
Event or fact Date or figure Wilson's Fourteen Points, point 13: an independent Poland with free and secure access to the sea January 8, 1918 Treaty of Versailles signed June 28, 1919 Treaty of Trianon signed, with Hungary June 4, 1920 Hungary after Trianon: share of its pre-war land and people kept 28% of land, 36% of people Ethnic Hungarians left outside Hungary's new borders about 3.3 million Upper Silesia plebiscite March 20, 1921: about 60% for Germany, about 40% for Poland Upper Silesia divided by the League of Nations Council, Poland's share just under a third of the land, almost half of the people, over 80% of the heavy industry Note: Versailles gave Poland a strip of land to the Baltic Sea through the settled province of West Prussia. The strip cut East Prussia off from the rest of Germany by land, and in 1922 Germany began a ferry service between the two. Danzig, a mostly German-speaking port, became a Free City under League of Nations protection, without a plebiscite. Hungary's lost land went to Czechoslovakia, Romania and the Kingdom of Serbs, Croats and Slovenes. The Allied Supreme Council could not agree on dividing Upper Silesia, so the Council of the League of Nations made the award. A physical boundary follows a landform; a cultural boundary follows differences of language, religion or ethnicity; a geometric boundary follows straight lines; an antecedent boundary is drawn before an area is settled; a superimposed boundary is drawn over an area that is already settled. Self-determination is the principle that a people should decide its own government.
Trianon left about 3.3 million ethnic Hungarians outside Hungary. Which kind of boundary does Ari call the new border, and why?
- Antecedent: it was drawn before the area was settled, so it cut across no existing community
- Geometric: it was drawn as straight lines, which is how it ignored where people live
- Superimposed: it was drawn over settled land and cut across where Hungarians lived
- Cultural: it follows where Hungarians live, which is why the dispute is about culture
Bo says the Polish corridor was an antecedent boundary. Check the claim against the note.
- No: it was a cultural boundary, because Poles lived along the whole strip to the sea
- No: antecedent means drawn before settlement, and the corridor cut through settled West Prussia
- Yes: it was drawn in a new treaty before Poland used the strip, so it came before settlement
- Yes: an antecedent boundary ignores the cultural pattern of an area, and the corridor did that
Point 13 called for a Poland with free and secure access to the sea. Which claim does it back, Jun?
- Germany's claim to keep East Prussia joined by land to the rest of Germany
- Poland's claim to a sea outlet, though it does not say Danzig must be Polish
- Poland's claim to Danzig, since a free port is needed for secure access to the sea
- The claim of Danzig's German speakers to decide their own government and borders
Danzig was mostly German-speaking and Poland needed a port. The Free City came without a plebiscite. What did that balance, Kira?
- Poland's need for sea access against Danzig's German speakers, neither getting its full claim
- It settled the matter by a plebiscite of Danzig's people, which chose the Free City over both Germany and Poland
- It gave self-determination to Danzig's German speakers and no sea route to Poland whatsoever
- It gave Poland the port in full, since point 13 required it as a free and secure outlet for trade
About 3.3 million ethnic Hungarians lived outside Hungary after Trianon. Which principle backs Hungary's complaint, and what stands against it, Luz?
- Self-determination backs the three neighbors, since they gained land and so decided its fate
- No principle backs it, since a treaty signed in 1920 settles any claim made after its signing
- Point 13 backs it, since a free Hungary also needs a secure outlet to the sea for its trade
- Self-determination backs it; against it stand the three neighbors that received the land
How did the Polish corridor shift access to the sea and to East Prussia, Milo?
- Poland gained Danzig's port in full, while Germany kept its land link to East Prussia unbroken
- Poland gained a land route to the sea; Germany lost its land link to East Prussia and began a ferry
- Both gained a route to the sea: Poland by land and Germany by way of a ferry from 1922 onward
- Germany gained a land route to the Baltic Sea; Poland lost its link to East Prussia and began a ferry
Poland received just under a third of Upper Silesia's land and over 80% of its heavy industry. What does Noah conclude about the line?
- Poland's share of industry matched its share of people, almost half, so the line followed population
- The line ran around the industry: Poland's industry share was nearly three times its land share
- Poland's shares of land, people and industry were near equal, close to one third each, so no district was favored
- Germany received most of the industry, since it kept the larger share of the land and people
Hungary kept 28% of its land and 36% of its people. What does Pia conclude about the land it lost?
- The lost 72% of land held 64% of the people, so it was less crowded than the part Hungary kept
- The lost land held 36% of the people, the same share as the part Hungary kept
- The two parts were equally crowded, since the land shares and people shares each add to 100%
- The lost land was more crowded than the part Hungary kept, since it was most of the land
The League protected Danzig and divided Upper Silesia. What do the two cases share, Ren?
- Just Danzig held a plebiscite, and the League decided Upper Silesia without any vote whatsoever
- In both the League followed a plebiscite and gave Poland the larger share of the area at stake
- In both the League gave the area to Poland because Poland needed the industry and the port
- In both the League stepped in between Germany and Poland, but just Upper Silesia held a plebiscite
Zee says self-determination decided every border in the chart. Test the claim.
- Yes: the Free City, the award and Trianon each protected a people's right to decide its borders
- No: Danzig had no vote, and the Upper Silesia award and Trianon did not follow the people
- Yes: the Upper Silesia plebiscite shows each border in the chart followed a vote of the people
- No: just Hungary's borders ignored it, and the other three followed the people's choices