What events turned the soviet union from an ally into a competitor?

1. what is significant about the power that russian federal cities are granted? 2. what is significant about official languages in russian republics? why would it matter?

Why did president johnson decide not to run for reelection in 1968?

Plz ! after the first battle of bull run general ivan mc dowell was removed from command of the union army he was replaced by a. general ulysses s. grant. b. general george mcclellan. c. general robert e lee. d. general george meade.