Here's a possible summary of the provided text:

The Civil War was being fought across multiple fronts in America, and one key battle took place at Vicksburg on May 26th. Pemberton’s Confederate troops surrendered to Union General Grant after a long siege that lasted for nearly three months. This decisive victory ensured control over the Mississippi River remained with the Union forces while also splitting apart the Confederacy into two separate regions.

Vicksburg held immense strategic importance due to its prime location on the river, making it an extremely valuable prize for both sides of the conflict. The capture marked a significant turning point in favor of President Abraham Lincoln and his Union army as they pressed towards their ultimate goal - preserving America's unity under one government rather than allowing it continue divided along lines determined by slaveholding states seeking independence.

The text also includes information about various historical sites, including:

* Battlefield preservation efforts

* Campaigns to protect specific battlefields or historic areas

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