Which event led to the bay of pigs invasion

In one to two paragraphs, compare and contrast the american, french, and mexican revolution.

The holocaust of world war ii resulted in a) the nazis effectively used propaganda to gain and hold power in germany. b) ethnic regimes carried out mass devastation. c) deporting all european jews to the island of madagascar. d) the systematic mass slaughter of european jews and and others in nazi concentration camps during world war ii.

31/3: which equation has the solutions x =?