Me! i will give brainliest to the best and most accurate question!
how did the use of slavery and tributes increase the economy of civilizations such as the aztecs/incas?

They were both equally wrong but

Explanation:

the slaves were used to transport goods and that is one of the main ways the Aztecs and Incas made their profit. So the slaves were used for long distance travel to other empires so that they could make profit off of goods. So it was like a big cycle make goods, transpotr goods, and make profit from goods. Then after that you do it basicaly all over again.

when world war i broke out across europe in 1914, president woodrow wilson proclaimed the united states would remain neutral, and many americans supported this policy of nonintervention. however, public opinion about neutrality started to change after the sinking of the british ocean liner lusitania by a german u-boat in 1915; almost 2,000 people perished, including 128 americans. along with news of the zimmerman telegram threatening an alliance between germany and mexico, wilson asked congress for a declaration of war against germany. the u.s. officially entered the conflict on april 6, 1917.

what are the choices?