Well, once the Americas were discovered and the colonist found that the soil was agreeable to grow different crops such as tobacco and cotton the colonists realized that they needed people to pick the crops. Originally indentured servants did the hard labor but then when they found that they could get labor by trading goods with African tribal leaders they resorted to importing Africans to the Americas as labor. The tribes in Africa were constantly fighting and whichever side won the losers became the slaves of the winning tribe. However, as Europeans brought valuable things to the continent of Africa such as weapons, salt, gold, and other things the leaders of the winning tribe would give their slaves to the Europeans. There were cases when Blacks captured other Blacks in Africa for the sole purpose of giving them to the European traders. Hopefully this helps. If you haven't see the movie La Amistad, it will explain in more detail what I have written. I learned a lot from that movie. I must warn you the first 5 to 10 minutes are a bit gory. I had a hard time watching that part.
Because the trade ships would take a year to bring to China and also another year to return back to the U.S. ... Because the soldiers were about to loose their farms from not being compensated for fighting int he war.
Answer: The Janissaries made significant contributions to many important Ottoman victories, among them the conquest of Constantinople in the spring of 1453, the battle against the Iranian Safavids at Chaldiran in 1514, and the defeat of the Mamluk armies at Marj Dabik in 1516.
This is a speech given by Patrick Henry at the Virginia ratifying convention. Suspicious of centralized authority, Henry opposed the ratification of the proposed Constitution. He said the new system would take away too much power from the state governments and give too much power to the new national government.