What was an important effect of the Transcontinental Railroad on the United States? A. It opened the Great Plains to western settlers.

B. It led to the Proclamation Line, closing western lands to settlement.

C. It led to the passage of the Indian Removal Act, forcing Indian tribes to move west of the Mississippi River.

D. It brought about unrest in Kansas and Nebraska over the future of slavery.

How did regional differences in italy initially prevent unity in the new nation?

The maps below show the middle east. which best explains how the green areas depicted in the image on the left are reflected in the population map on the right? populations are greater in fertile areas that are close to freshwater sources, which is why more people live near deserts. populations are greater in fertile areas that are close to freshwater sources, which is why more people live near oceans. populations are greater in fertile areas that are close to freshwater sources, which is why more people live near mountains. populations are greater in fertile areas that are close to freshwater sources, which is why more people live near rivers. plz hurry in test only have 34 mins left

Arguments supporting and opposing the supreme court decision citizens united v. federal election commission identify two reasons why some supporters of the decision consider it a victory for free speech.