What occurs to flat-lying sedimentary rock to form folded mountains? rock layers are tilted by vertical subsurface pressure vertical movements occurring along fault lines plates collide causing rock to push upward together a block of rock lifted at a fault line

The native americans had what kind of economy?

By the end of the 1800s, there was a change in the nature of the immigrants coming to the united states. immigration from northern europe—england, ireland, germany, and scandinavia—declined, while immigration from italy, russia, and austria-hungary grew. in fact, between 1900 and 1910, more than three-fourths of all immigrants came from these three countries. unfortunately, these countries were far removed england, the home of our founders, and the immigrants who came from them had a hard time adjusting to life in their new country.

President eisenhowers foreign policy stressed peace, threatened massive retaliation for attacks and what