Why was irrigation important to Sumer?

To succeed in growing food, they needed a way to control the water so they would have a reliable water supply all year round. So, Sumerian farmers began to create irrigation systems to provide water for their fields. They built earth walls, called levees, along the sides of the river to prevent flooding.

Explanation:

jacksonian era promoted strength of the presidency and executive branch at the expense of congress. it also sought to broaden the public's participation in government. the jacksonian's demanded to have elected judges, instead of appointed judges, and rewrote many state constitutions to reflect the new values. hope this ! if you did find it would you mind giving me brainliest? : )

industry had made the u.s. the richest nation in the world at this time. the second industrial revolution caused growth in industry and transportation, which allowed increased trade between nations.