Why did Mesopotamian civilizations experience so many regional invasions? The reliance on slavery required I the capture of laborers from rival settlements. Trade disputes caused constant friction among political classes. Scarce water supplies led to competition for access. Uneven development of societies created distrust and revolution.

The question asks why Mesopotamian civilizations experienced many regional invasions. The options provided are:<br /><br />1. The reliance on slavery required the capture of laborers from rival settlements.<br />2. Trade disputes caused constant friction among political classes.<br />3. Scarce water supplies led to competition for access.<br />4. Uneven development of societies created distrust and revolution.<br /><br />The Mesopotamian region is known for its fertile land but also for its scarcity of water resources. This scarcity led to competition among different societies for access to water, which in turn led to regional invasions. The other options, while plausible, are not as directly related to the primary reason for regional invasions in Mesopotamia as the competition for water resources is.