What were 3 forces at work in europe that set the stage for war

Why did un coalition troops battle iraqi forces in 1991? iraq had invaded saudi arabia, along with its other border nations.iraq had invaded kuwait, which was a major source of the world's oil.the united nations wanted to remove saddam hussein from power.the united nations wanted to prevent the trade of illegal drugs.

*history * who was clyde ross and how was he impacted by housing discrimination?

Why do many scientists suppose the land bridge theory of migration?