Question

In the nearly fifty years since the end of WWII, the continent of Europe has become more tightly integrated than ever before. What forces have made for this increasing unity, and what are the political landmarks that chart its path?

Answer 1

"In the nearly fifty years since the end of WWII" really? WWII ended in 1945 which is 65 years ago.

Political landmarks are many, but try

Prague Spring
Treaty of Rome
Treaty of Maastrict
German reunification and the loss of the Berlin Wall.