The correct answers are C) It extended the abolitionists power to operate the Underground Railroad and D) It gave African Americans the right to fight in the war.
The effects that the emancipation had on the Civil War progressed were the following: It extended the abolitionists power to operate the Underground Railroad and it gave African Americans the right to fight in the war.
People in the North opposed slavery and before and during the Civil War found ways to help slaves. The Underground Railroad was a group of Northerners that helped African Americans to escape the South and offered shelter. The Quakers were among those groups that offered help to slaves that wanted to escape from southern plantations. Another important issue of emancipation was that many blacks could enroll in the Union Army and were part of the troops that fought during the Civil War.
Generally speaking, from the 1830s on, people hoping to settle in the Northwest "B-traveled along the Oregon Trail," since this had become a well-established route.
