What was the most successful goal of the emancipation proclamation in the south.

A. It freed all slaves in the southern areas.

B. It allowed blacks to join the confederate army.

C. It gave a moral cause to Southern blacks.

D. It angered Southern policies.

The correct answer is letter "A": It freed all slaves in the southern areas.

Explanation:

The Emancipation Proclamation (1863) was declared by President Abraham Lincoln (1809-1865) announcing that all slaves of the Confederate States of America would be free. The proclamation, that was composed of two presidential decrees, was presented by Lincoln during the Secession War (1861-1865).  

In addition to the proclamation, the provided a legal framework for the emancipation of almost 4 million slaves who were freed along the advance of the union army and Lincoln promised to end definitely with slavery.