Help please? thanks for the help

Which of the following was used only once, to ratify the 21st amendment (repealing prohibition)? a.three-fourths of both houses of congress. b.three-fourths of the state legislature approved it. c.two-thirds of the state legislature approved it. d.ratifying conventions in three-fourths of the states approve it.

Why did alexander go primarily east and south from macedonia and greece in his conquest

What was the underlying cause of the cold war?