Question

What were some of the effects of the idea of Manifest Destiny?

Answer 1

They fueled a century and a half of imperialism

Explanation:

"Manifest Destiny" was a notion coined by the journalist O'Sullivan, it referred to the fact that the United States had a unique destiny and it was retaken after the American Mexican War to justify American imperialism with the assumption that America had a divine mission to bring democracy throughout the world.

How significant was Manifest Destiny in shaping government policy and people's attitudes and...

Lincoln and Wilson used this concept as well.