One of Michelangelo’s major achievements was: a. All of these are major achievements of Michelangelo’s. b. invention of a helicopter prototype, redesigning St. Peter’s Cathedral, and painting of frescoes in Pope Julius II’s private library. c. inventing a prototype of the helicopter. redesigning St. Peter’s Cathedral. d. None of these answers is correct. e. painting the frescoes in Pope Julius II’s private library.

.b. invention of a helicopter prototype, redesigning St. Peter’s Cathedral, and painting of frescoes in Pope Julius II’s private library.

Explanation:

Michelangelo was one of  the most accomplished man in his period who was prolific for being extremly good at various things. As a poet, a painter, a sculpture and a multitalented genius, his accomplishment ranges from writing more than 300 sonnet during his life time to the architecture is St. Peter’s Basilica, a church located in the Vatican City.

we can argue that appeasement caused world war ii because it allowed hitler and the nazis to build germany’s military power until it was strong enough to fight a major war. additionally, appeasement emboldened germany, making it think the allies would never have the will to fight. this made germany much more aggressive and encouraged it to take the steps that eventually led to war.