Respuesta :

Answer:

The victory at the battle of Antietam gave Abraham Lincoln a platform to issue the Proclamation from a position of strength. This changed the character of the Civil War and prevented the European powers from intervening on behave of their trading partners of the southern Confederacy.

Part of: American Civil War

Combatants: Union

Locations: Maryland

Explanation:

Answer:

It encouraged Lincoln to issue the Emancipation Proclamation.

Explanation: