When did president abraham lincoln issue the emancipation proclamation?

Which of the follow modern activities would only have been possible after the neolithic revolution

1. what was the result of growing nationalism and pan-africanism on european-african relations? africans were encouraged to seek independence from europe. european colonialism grew and strengthened in africa. the change of power from european to african rule went smoothly. africans believed they could live peacefully with europeans.

When lincoln was first elected president, he hoped to prevent war by allowing (1) in the united states.