The type of government did the SovietUnioninstall in eastern Europeans nation is Puppet State.
A puppet state, puppet government, or dummy government is a state that is de jure independent but de facto entirely dependent on and subject to the dictates of another state. A puppet government is one that appears to be autonomous but is actually controlled by another country. Most historians believe Poland and Czechoslovakia were Soviet Union puppet republics during the Cold War.
Several countries were conquered and ruled during World War II. Some of these countries were renamed and given new governing leaders who were loyal to the conquering country. These countries are referred to as puppet states. The two countries having the most puppet states were Germany and Japan.
The original 4 countries which held claims to the Oregon Country were Russia, Spain, Great Britain and Spain, Spain in which dropped out and the claim later went to the United States