What is a political unit of different people or formerly independent state under the control of one ruler

Which was the more threat to soviet control of eastern europe: the hungarian uprising (1956)or events in czechoslovakia (1968)? explain your answer by reference to each

Germany was unified as a result of a series of wars. which ofthe following wars was the last and resulted in the formation ofthe german empire? austro-prussian warbfranco-prussian wardanish war

How did the construction of the erie canal improve transportation in the united states in the 1820s? a. the canal connected the great lakes to the mississippi river. b. the canal connected the great lakes to the ohio river. c. the canal connected the atlantic and pacific oceans. d. the canal connected the great lakes to the atlantic ocean.