What happened in the senate that showed slavery and issues in Kansas was going to present a major divide in the country? (no links i want the answer word form word plz )

The oldest known mesopotamian civilization settled in areas along river banks or sea sides surrounded by mountains and deserts which two statements explain why three geographical features led to the rise of mesopotamian civilizations

Following world war 2, how did the world's leaders promote peace and reduce poverty?

Who commanded fort union in the 1850's? what were their contributions to fort union?