Answer:
Ronald Wilson Reagan
Explanation:
He was a Hollywood action film star who served as the 33rd governor of California from 1967 and later became America's 40th president and was the oldest to enter the White House. He became the highly influential voice of modern conservatism and this made him nicknamed as "The Great Communicator" .
It helped him study the four moons that revolve around Jupiter.
It helped him make observations that supported the heliocentric theory.
At the College of William and Mary in Williamsburg, colonial Virginia's capital, he studied mathematics, natural philosophy (science), and political philosophy with Scottish scholar William Small.
Oftentimes, it would be an "<span>B) aging population" that </span>is not a situation that leads to civil unrest, since this is considered by most to be a natural part of life that is unavoidable.
He wanted to become the nations king