What were the two main causes of the spread of buddhism?

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.

What was one major cause of worldwide conflict during the first decade of the 21st century?

What are the major problems with a command economy?