How did the Columbian Exchange ' affect the American Indians and African slaves?

Which sentence is the best explanation of how food surpluses led to a job specialization during the neolithic revolution

2. what was the dred scott decision about? what do we learn from this supreme court case?

Why is julius caesar considered an important roman leader? a. his assassination led to a civil war that ended the roman republic. b. his commitment to justice led to the creation of the twelve tablesc. his support for democracy led to expand voting rights for all romansd. his policies as dictator led to a period of peace known as the pax romana