It was primarily "a. Baron de Montesquieu" who James Madison borrowed the idea of separation of powers from, since this idea was one of Montesquieu's main ways of ensuring that tyrannical governments did not form.
Correct Answers:
confirmed that the earth revolves around the sun
created a powerful telescope
discovered moons orbiting Jupiter
Hope this helps! :)
A."Israel 1948–1967"
is the answer I think But i am not sure