Because keeping people as slaves is morally wrong.
Abraham Lincoln signed a billl to free the slaves . his wife Mary todd had slaves work for her.
Abraham Lincoln wanted to free the slaves.
Abraham Lincoln.
Abraham Lincoln did not kill any slaves. He worked to free them.
Abraham Lincoln set the slaves free.
Lincoln
To Free the Slaves
Fredrick Douglas urged Lincoln to free the slaves as a Moral Issue, but it raised morale as well.
President Lincoln favored saving the Union over freeing the slaves.
Nobody forced Abraham Lincoln to free the slaves, he just saw that slavery was not right so he wanted to end it.
Lincoln fought to free the slaves from the south, places like Georgia, Florida etc. as opposed to the people in the north who did not use slavery.
Lincoln had no jurisdiction over Canada.