How did the cuban missile crisis raise tension between the us and ussr?

What arguments might a conservation used to justify president roosevelt's expansion of power of federal government

How did african americans the union during the civil war? a. by serving as representatives in congress b. by enlisting in the military to fight c. by organizing massive slave revolts in the south d. by negotiating for peace with the confederacy

Which of these were among you the purpose of the photorealism movement