What were the drawbacks of believing in manifest destiny?

Between the world wars eisenhower's presidency the 1960s what is the organizing principle of this list?

Oraccording to document 3,do you think napoleon is a democratic reformer imperial dictator? explain.

Which of the following is not true about isaac stevens, the first territorial governor of washngton a he was friends with the president franklin pierce b he graduated first in his class at west point academy che served in the mexican-american war he reluctantly accepted the job as governor