How did the French, Haitian, and American revolutions help spread nationalism?

In both the French and Haitian Revolutions, Enlightenment ideals influenced the people, but in France, the people of the Third Estate were already free, just treated unequally, while the people in Haiti were slaves and had no right

the right answer is the end of world war ii

after the end of a global wwii all the nations involved, in an attempt to create an organization to maintain world peace. this agreement would work settling international disputes via negotiation and arbitration instead of leading the issues escalate to another war.

for the united states of america, 1945 to 1964 was a time of high economic growth and general prosperity. it was also a time of confrontation as the capitalist united states and its allies politically opposed the soviet union and other communist countries; the cold war had begun.

explanation: