Why did lincoln only free slaves in certain states ?

im pretty sure its because the other states wouldnt allow  him to do that

Explanation:

the right answer is the end of world war ii

after the end of a global wwii all the nations involved, in an attempt to create an organization to maintain world peace. this agreement would work settling international disputes via negotiation and arbitration instead of leading the issues escalate to another war.

they had more african americans than any other state.

hope this , have a good day. c;