BRAINLIEST! What two factors led to population growth in New England?

better farming techniques

immigration

improved economy

more livestock to feed the people

low death rate/ high birth rate

Choose two, and btw I know one of them is low death rate/high birth rate but not the other one. Thanks!

Which of these was one of the most important aspects of washington's presidency a. he did not consider how his actions would affect later presidents b. he came to believe that political parties would be good for the country. c. he insisted that congress make specific rules about the duties of the president d. he did not take advantage of the opportunity to keep the power the country offered him.