Answer:
Human population growth has gotten larger and larger as time goes on. The first 1 billion people were in 1803. It has taken 120 years to get to another billion people. It is changing by 80 million people born a year. At 10 billion, we will most likely fall short of food supply due to the overpopulation.
A.) all of the others are true, the crime rate actually went up due to bootleggers and speak easies and others who illegal made and sold alcohol
the answer to your question is a) they had advanced planning and developed effective military methods.
Random attacks by Indian tribes. The frontier had swamps-to-mountainness terrain. Seeds didn't work in all parts of America, some lived healthy in one area while the same seed could die somewhere else there.
