Answer: European powers needed African workers for their sugar plantations.
"(2) ordering American forces to invade Iraq" was the action taken by President George W. Bush <span>following this statement, which was of course very controversial. </span>
<span>A. European mistreatment of Africans resulted in hundreds of years of conflict and violence. :)</span>
The geographic feature which served as a barrier to the political union of the Greek city-states and their independence from each other was the numerous mountains all over the geography of the Hellenic Peninsula or Greek Mainland.
The answer to this question is A. Jet streams
Jet streams are located near the altitude of the upper troposphere. It's a movement of wind that travels from one side of the planet hemisphere to another. The movement of jet streams will bring up different temperature of air which could influence the weather that exist in certain regions.