The Mexican-American War Is the Bloodiest Foreign War the U.S. Has Fought
In between America’sRevolutionary Warand its Civil War , the United States fought a bloody , barbarous campaign against its neighbor to the Confederate States of America that often is overlooked in the annals of American warfare . The Mexican - American War — the name those north of the border set up on the intimately two - year matter ( 1846 - 48 ) — does n’t have the righteousness that is sequester to America ’s War of Independence , or the moral imperative form that sparked the Civil War ....