The soviet union invaded czechoslovakia and reversed its economic reforms. workers in poland won higher wages after an uprising. yugoslavia parted ways with the soviet union because of political differences. military forces began constructing the berlin wall. pairs 1948 1956 1961 1968

1948-yugoslavia parted ways with the soviet union because of political differences.

1956-workers in poland won higher wages after an uprising.

1961-military forces began constructing the berlin wall

1968-The soviet union invaded czechoslovakia and reversed its economic reforms.

Explanation:

Yugoslavia was actually expelled from the USSR due to the nationalism that its leader Tito had going and he didn´t like many of the policies that the USSR was applying so they were accused of treason and were expelled from the soviet union. In 1956 workers in poland riotted and protested to ask for better working conditions and wages, were the first protests against a communist regime, in august 2nd 1961 the army and military forces of german democratic republic built the berlin wall, and in 1968 the soviet union invaded czechoslovakia reversed its economic reforms.

it wanted to boycott trade with enemy nations.

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