Why did the united states look to expand to new territories outside of the country? select three options.

to spread beliefs
to increase power
to learn about new cultures
to access more raw materials
to prove its independent status

Why are slanted roofs found on many buildings within russia and finland? a. to prevent ice slides. b. to prevent the build-up of water during heavy rains. c. to prevent heat from escaping during the clod winter months. d. to prevent snow build-up.