Based on the information in the document, which of these statements is TRUE?

The Monroe Doctrine is all about relations between the U. S. and Russia.

The U. S. believes that colonization of South America would be good.

Monroe pledged to stay out of conflicts between European countries.

There is no action that could cause the U. S. to be involved with outside countries.

Which options most accurately assess the impact of transportation improvements (e.g., railroads, canals, steamboats, transcontinental railroad) on the settlement of the west? ***(select all that apply.)*** a. they led to an increase in population density. b. they made it easier to travel long distances. c. they in establishing towns. d. they led to the development of the fur trade. e. they allowed for international travel.