How did political machines contribute to urban political corruption? O by preventing blacks from obtaining housing
O by accepting bribes in exchange for favors
O by using force to obtain city contracts
O by encouraging only whites to vote

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.