He wanted a way to protect himself from the French people.
hehehhe time for my civil war obsession to come in handy
Lincoln needed to announce it right after a big win for the Union. Antietam happened to be a well timed one.
Doing it after a big victory would help reinforce the fact that he was doing the right thing in the war, and that he was a good leader (good enough to be re-elected).
Announcing it right after a loss would be viewed as a weak, desperate move, and Lincoln couldn't afford that if he was to be running again for president.
By taking the time to process through the system, we can gather our thoughts and thoroughly execute a plan.
<span>According to Li Si’s proposal, one way Shi Huangdi could control the people of China was through intimidation, also the use of coersion was often implemented. </span><span />