What was the impact of the invention of the sewing machine?

To keep other european powers from threatening its empire in america, spain sent soldiers, settlers, and?

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.

Which expression is equivalent to (fg)(5)