Here are Four reasons: Social Networks, caring for the sick, widows and orphans, stance against adultery, abortion and infanticide, and of course a theology of love :)
The United States. Americans formed multiple military campaigns in the islands located in the pacific to drive back the Japanese. Eventually, with the detonation of two nuclear bombs, we successfully pacified the Japanese threat.
A. The US made the Gadsden Purchase.
The US never sold Texas. US won the war. Mexican cession was the US taking land.
Protecting citizens against foreign and domestic terror and threats