Which of the following were NOT effects of European contact with Native Americans in North America? (You must select ALL answers to this question to earn the point for this question.)

A. Large numbers of Native Americans died of diseases carried by Europeans to which the Native Americans had no immunity.
B. Native Americans successfully repelled European incursions into North America.
C. Plants, animals, and technologies from the Americas brought back to Europe, Asia, and Africa, resulted in significant changes, including increased abundance of food crops and a population increase.
D. Europeans always allowed Native Americans to retain their lands, cultural practices, and religious traditions.
E. Europeans always cooperated peacefully to prevent conflect from breaking out over natural resources and tade networks.