3. The Battle of Antietam/Sharpsburg is different from previous battles in the Civil War because it was the first battle . on Union soil. to feature black soldiers. lost by the Confederacy. led by "Stonewall" Jackson

The correct answer is A) on Union soil.

The Battle of Antietam/Sharpsburg is different from previous battles in the Civil War because it was the first battle on Union soil.

During the times of the American Civil War, the Battle of Antietam was fought on September 17, 1862, in Sharpsburg, Maryland. It was a hard-fought bloody battle that was decided in the end with a sound victory to the Union Army led by General George McClellan. Confederate leader Robert E. Lee was trying to invade the Union's territory, but a solid Army of the Potomac impeeded it.

answer: this problem has only trivial solutions, with all points on the same line. x=5 or x=7/5.

step-by-step explanation:

there are three triangles, and three unknowns: x, y=length of middle segment, and z=cos(angles marked with red arc).

we need

and law of cosines,

the three equations are

see attached image for solution.

the answer is aristophanes comedies.