What is sharecropping? what makes it a system of exploitation?

Which areas where seperated by the iron curtain

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.

All of the following programs were responsible for improving the quality of entertainment experienced by americans, except which? a national endowment for the arts b. the corporation for public broadcasting c. national endowment for the humanities d. department of housing and urban development