In the neolithic era how did stone tools change? a. they become focused exclusively on hunting b. they became larger and heavier, to correspond to the robustness of neolithic human musculature or c. they became smaller, sharper, and more

B.They became larger and heavier, to correspond to the robustness of Neolithic human musculature.

disease was the number one killer of native peoples. they had had little exposure to the diseases of europe. this led to some villages being almost completely wiped out and some tribes destroyed.