Answer:
D: Under the control of another country but makes all of its own decisions.
Explanation:
Autonomy is the state of being geographically controlled by a country, but having control of decisions within it's provincial/state border, a common example of this are the US states.
Central America is the southernmost, isthmian portion of the North American continent, which connects with the South American continent on the southeast. hope this helps :)
Weathering is a slow process. It takes thousands of years to erode a rock or land mass. This is going on today with our beaches and the rocks in the ocean.