General picketts men attacked with no cover in open view of the union soldiers. Approximately how far did they have to advance before reaching union lines

General Picketts charge at cemetery ridge over 3/4 mile of an open ground

Explanation:

General Picketts charge was the culmination of the battle at Gettysburg. On July 3, 1863, the third and final battle involved an assault with 15000 confederates against Union General George Meade troops positioned along cemetery ridge over 3/4 mile of an open ground by some 6500 Federal troops.

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