He kept quiet about the missiles. He did not want anyone knowing he had discovered them.
To briefly compare both terms, geography refers to the study of the physical features of the earth as well as its inhabitants or the population; whereas, geology refers to the study of the structure of the earth, its development as well as its origin.
The siege of Vicksburg was a major victory for the union because in capturing the city, the union had now captured the Mississippi River which would enable the union to use the river as a transportation waterway for supples and reinforcements. It also divided he South and made communication more challenging for it. Hope this helps!
