What were the permanent long-term U.S. objectives in Latin America, and how did successive U.S. governments variously seek to achieve them before 1898?

All is I need is an overview of this chapter and these questions answered.
What were the permanent long-term U.S. objectives in Latin America, and how did successive U.S. governments variously seek
to achieve them before 1898?
How did U.S. policy change between 1898 and 1933?
What were the origins of the Good Neighbor Policy, and how was it applied?