What did the early slave trades in west and east africa have in common?

Ibelieve the answer is 1756. 

hello!

the answer is

unalienable: means it belongs to you.inflation: a time when money loses its value.convention: a meeting of people organizations for a special purpose. george washington: president of the constitutional convention.patrick henry: refuse to attend the constitutional convention. virginia plan:   its congress favored the big states.new jersey plan: its congress favored the small states.new hampshire: its vote made the constitution legal. rhode island: did not sign the constitutiongeorge washington: the introduction of the constitution.

hope this .