Respuesta :
The primary objective of the Union war effort was to PRESERVE THE UNION OF STATES UNDER THE CONTROL OF THE FEDERAL GOVERNMENT.
One of the principal aim of the Sumter battle is to preserve the existence of the United States as a nation; it is meant to deter other states from breaking away from the Union for any reason.
One of the principal aim of the Sumter battle is to preserve the existence of the United States as a nation; it is meant to deter other states from breaking away from the Union for any reason.
Answer:
B) preserve the Union of states under control of the federal government.
Explanation: