The news that Grant was slowly, but surely, tightening his grip upon Vicksburg, and that nothing but an accident could prevent its capture, was known to the whole country for fully a week before the surrender occurred, but it neither encouraged the North nor discouraged the South. To the minds of many people no victory in the West could save the Union, for Lee was already in Pennsylvania, sweeping northward toward Harrisburg and Philadelphia, and even threatening New York.