Acity that appeared around 2500 b. c. in the supe river valley of peru, in which stone buildings were used for official business, as apartments buildings, as grand residencies was?

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.