The Europeans brought many deadly diseases with them from Europe. The Native Americans did not have the antibodies to deal with these unknown sicknesses so most of their population died off.
Yes, generally speaking it is true that historical geology is primarily the history of the earth's crust, although the ramifications are somewhat wider in that the discipline takes into account things that happened due to the crust's changes as well.
Czechoslovakia was annexed by Germany 4 months before the beginning of ww2
The answer should be D. It advocated strong leadership by the federal government.
