It was Burgoyne's over confidence and there were to many several key tactical errors.
I left 2 website links under. Check them out.
Answer:
The Emancipation Proclamation was an executive order issued by Abraham Lincoln on January 1, 1863. It proclaimed the freedom of slaves in the ten Confederate states still in rebellion. It also decreed that freed slaves could be enlisted in the Union Army, thereby increasing the Union's available manpower.
Explanation:
The Emancipation Proclamation, implemented by President Abe Lincoln, took effective as of January 1, 1863. Lincoln's decision to use this proclamation came after the Union troops stopped the further invasion of the North by the Confederate troops.
