Who does napoleon marry on april 2, 1810? why did napoleon choose this particular girl?

Marie Louise Napoleon became a general at a very young age and was put in a position of authority where the generals and almost all other officers he commanded were older than him. He felt that this wasn't a satisfactory situation and concluded that if he married a woman older than himself, he might claim to be older than he actually was and thereby obtain a little more respect from his officers. He also wanted to marry a rich, older woman.

b. sec, foreign relations

roosevelt believed that in light of the country's recent military successes, it was unnecessary to use force to achieve foreign policy goals, so long as the military could threaten force. this belief, and his strategy of “speaking softly and carrying a big stick,” shaped much of roosevelt's foreign policy.