Contrast the social structure of the middle ages and the renaissance

What was the focus of the stanford study-pls

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.

Aheard of sheep moves up in the mountain to graze during summer and migrated to the valley during winter what type of migration do the sheep follow