Which effect of industrialization made city centers somewhat unpleasant for residents

Describe the relations between the united states and other countries under the articles of confederation. 3-4 sentences

Which of these effects of mass production techniques used during 1920

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.