You didn't write the following
The answer is <span>demoralizing the North with a victory on northern soil.
He brought up more troops than the northern had for the battle. But by doing this, General Lee make a blunder because It make the south's defense for the western regions become really weak and caused an irreparable damage to the southern army.</span>
That statement is a fact.
The British government hoped to accomplish helping others bring goods around the world