The document discusses how location and topography influenced major developments in the Civil War, including important battles. It provides details on several key battles such as Fort Sumter, Bull Run, Vicksburg, Gettysburg, and Appomattox Court House. Location was a factor in controlling ports, rivers, capital cities, and high ground positions. Major developments included the Emancipation Proclamation freeing slaves and battles dividing and ultimately ending the war between North and South.