What social structure was the foundation of Africa's earliest villages?

Ineed the answer ! what year was the 13th amendment passed in the us?

The ancient system of trade routes that ran from rome to china was known as the

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.