Not sure what you mean by the question but France did indeed enter the war when Germany declared war on Russia.
B Because during this time factories were being built,so they could start making factories.Think about your northern states they needed steel from the factories so they could make steel to build skyscrapers.
Answer:
During world war II
Explanation:
The United States Office of War Information was a United States government agency created during World War II. June 13, 1942
Answer:
President William McKinley
Explanation:
As the war dragged on, the Union's advantages in factories, railroads, and manpower put the Confederacy at a great disadvantage.