Why were europeans less vulnerable to most diseases than native americans

What person was influential and trying to ease race relations in america during the early part of the twentieth century

Andreus vesalius is known for being the first scientist to provide detailed and accurate information about human anatomy. his knowledge of human anatomy came from dissecting human bodies. which statement best shows why andreus vesalius’s discovery was important during the scientific revolution?

How does the balance of trade look different in the us today vs hot it looked in the 70's