Answer:
B. Fertile land for agriculture.
The American Revolution was principally caused by colonial opposition to British attempts to impose greater control over the colonies and to make them repay the crown for its defense of them during the French and Indian War (1754–63)
The development that probably hurt it is the reduction of open range herding. In history, people could just let their cattle roam freely and find food since the plains were huge and nobody lived in them. Nowadays, this can be problematic because there are more and more people and settlements and roads with cars so free range herding has been drastically reduced which cost the herders a lot.
During the Progressive Era (the early 20th century), the women's rights movement main focus was:
2. Winning the right to vote.
During this time arroused a fight against political and economical corruption and social problems. The wrestle to gain the right to vote, not only was a purpose in itself, but represented the struggle for equality. It was the first victory that helped women to continue to pursuit more rights.