President Lincoln issued the Emancipation Proclamation which went into effect on January 1, 1863. What was the significance of this proclamation?
ОА.
It said that all slaves in the United States are legal citizens.
ОВ.
It only set slaves free who were in the Northern states
OC. It said slaves must work for their masters until death,
OD
It said all slaves in the Confederate states must be freed.

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. ... The Proclamation also prevented European forces from intervening in the war on behalf of the Confederacy. hope it helps

b)

it created free trade throughout the colonial territories.

it refers to race, i am pretty sure this was a popular term in nazi germany or something.