8. The Battle of Antietam was considered a key victory for the Union. It is the first attempt that
General Robert E. Lee makes to invade the North. What helped the Union military in being able
to defeat the Confederate forces? *
(10 Points)
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The Battle of Antietam, also called the Battle of Sharpsburg, occurred on ... of the Potomac and was the culmination of Lee's attempt to invade the north. ... Lincoln's ranks and hoped a battle victory on Union land might topple ... Union troops fired first at the Confederate's left flank and the carnage began.

Explanation:

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answer is a meeting of congress.

explanation:

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answer; people where able to travel across the u.s.a faster than any other mode of transportation,travel time was about a week,from coast to coast