Why would the US begin looking for new foreign markets?

Which statement best summarizes how interpreted in very strict terms government have changed over time

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.

Under the dominion of new england, american colonists? ?