The answer to this is letter D.) It led groups within empires to fight for their political independence. This era sparked lots of revolutions and upheavals against empires; different countries conquered by big empires united and strove to fight for freedom.
Im not to sure but I think the answer may be C, sorry if im wrong
I only know one but one is in the European theatre and D-Day
They used Paine's Common Sense to justify the American Revolution.
<span>Jean-Jacques
Rousseau was known to be an Enlightenment thinker and for writing the social
contract theory. The theory took up the conditions for legitimate government,
in line with his belief of popular sovereignty form of government. He also
included in his theory that the government should be ruled by people because during
his time, it was very difficult to have this kind of government on an
individual basis. The government which
is ruled by the people is the government that the United Stated now practiced,
and other parts of the world. This type
of government is governed by the means of voting system, which is also about
democracy.</span>