Select all that apply what happened at the end of the Middle Ages 1.people wanted to explore new lands
2.the lower classes rebelled against the upper class
3.barbarians attack the kingdoms
4.people began to question authority
5.the feudal system ended

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.