Answer: A
Explanation:
Battle of Antietam, also called Battle of Sharpsburg, (September 17, 1862), in the American Civil War (1861–65), a decisive engagement that halted the Confederate invasion of Maryland, an advance that was regarded as one of the greatest Confederate threats to Washington, D.C. The Union name for the battle is derived .
PLEASE BRAINLIEST
After World War II, the United Nations was created with the goal of preventing future wars and to replace the League of Nations, which failed to carry out this task. In order to ensure the organization's capacity to fulfill its objective, the United Nations was granted a forum with international scope for conflict resolution through peaceful means.
The main short-term crises that precipitated the first Constitutional Convention was the fact that war with Britain seemed inevitable, but the main points of the meeting revolved around how the new government should be set up.
A. Showing up and being on time