Who were the first european to reach the americas and when did they arrive

Why was it difficult fpr unions to succeed in the 1800s

Which statements explain reasons why unconformities occur? check all that apply. rocks along a fault break and move. igneous rock forms at earth’s surface. rocks erode and sediment is deposited. no sediment is deposited over a long time. igneous rock forms between sedimentary layers.

How did the supreme court decision in the slaughterhouse cause an affect american business