Question

The Civil War was the _____ conflict the United States has ever fought.

most controversial

deadliest

longest

costliest

Answer 1

Deadliest

Step-by-step explanation:

The Civil War maintains the highest American casualty total of any conflict. In its first 100 years of existence, over 683,000 Americans lost their lives, with the Civil War accounting for 623,026 of that total (91.2%).

Answer 2

why Hot try deadliest, because a lot Americans fight each other, and this war have the most death rate too