How are he characteristics of nationalism and revolution related

What two things did former british prime minister winston churchill affirm in his iron curtain speech?

Germany italy and japan formed the tripartite pact in part because they: a. hoped to convince the united states to stay out of world war ii b. share the ruling philosophies based on communist economics c. resented the agreements they were forced to sign at the munich conference d. believed their territories were threatened by aggressive foreign states

Brainliesttt !me : ) why were the eastern european countries attempting to break free of the soviet union?