A Map Of The U.S., If There Had Never Been A Mexican-American War

In 1846, President James Polk, driven by a belief in Manifest Destiny, waged a war to seize land from Mexico and expand the nation's boundary from Texas to California. But events could have plausibly gone very differently, resulting in a map of the U.S. that would be significantly unlike the one we have today. » 7/30/14 7:40am 7/30/14 7:40am