What was the single most important factor behind the prosperity of the 20’s

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.

What are some american advantages that led to victory in the revolutionary war?

Which of the following was not a result of the attacks of 9/11or the war on terror? a. tightening security at airports b. an increase in public displays of patriotism c. a growth in the number of conspiracy theories about the government d. an increase in the number of hijackings worldwide