Which of these news headlines would have most likely appeared in northern newspapers the day after the battle of antietam?

confederate leader gives his life in antietam

the confederacy’s greatest triumph

union gains an edge on the confederacy

spirit of the north broken by the outcome of antietam

The answer is  "Union Gains an Edge on the Confederacy."

Explanation:

According to many historians, the Battle of Antietam ended in a stalemate.  Despite the fact, for political reasons, the Union declared victory. It´s true it had stopped the advance of Gen. Robert Lee´s army into Union´s territory, but actually both sides suffered horrendous losses. Antietam is the bloodiest day in American military history: 23,000 casualties, 3,650 estimated dead.

the answer is the government.

the effect of the ming leaders banning ships with more than two masts was that there was no further construction of ships masts, because there was a surplus. ming emperors disallowed foreign exploration