Answer:
High population densities allowed for specialization and division of labor
Explanation: When there more people there's a lot more competition for
jobs so people had to learn to get very good.
The first president of the United States was George Washington, who was chosen mostly due to the fact that he was an incredibly popular general who had led the colonies to victory during the Revolutionary War.
Jamestown was established in 1607, 13 years earlier than Plymouth.
A thing that wouldn't be necessary condition for the growth of an empire would be internal revolutions and revolts - D.
This option, compared to the others, actually underminens the possibility of success within one empire after some time as undermining authority and creating revolutions doesn't help when creating an empire.
