Select all that apply. What factors contributed to the westward expansion of the U. S.?

the Cold War
the Revolutionary War
the discovery of gold
decreased immigration
increased immigration
the Homestead Act
the desire for land, wealth, and adventure

Which of the layers of the earth has the following three characteristics? i. it is made of molten rock. ii. it has currents that are constantly moving. iii. earth’s plates float on top of its currents.

Analyze the map below and answer the question that follows. image by mdf the map projection above was created using mathematical formulas to calculate distances. it has a small amount of distortion. which map projection is shown in this image? a. the goode projection b. the political projection c. the mercator projection d. the winkel tripel projectio

What is the thickest layer of earth called?