please help will award brainliest

Answer:
1. Pennsylvania
2. July 1, 1863 - July, 3 1863
3. 23,049 for the Union and 23000-28000 for the Confederacy.
4. Union:
George G. Meade
John F. Reynolds
Winfield S. Hancock
Daniel Sickles
George Sykes
John Sedgwick
Oliver Otis Howard
Henry Warner Slocum
Alfred Pleasonton
Confederacy:
Robert E. Lee
James Longstreet
Richard S. Ewell
A. P. Hill
J.E.B. Stuart
5. The Union won the Battle of Gettysburg.