How do I get plus, I know it costs money btw.

How did the manhattan project to end the war? a scientists working on the project built large bombers. b scientists working on the project discovered uranium. c scientists working on the project developed the atomic bomb. d scientists working on the project shared secrets with axis scientists.

How did the war of 1812 contribute to an increase in u.s. manufacturing? a) the war provided more resources for factories to increase production. b) the war promoted trade between countries so that americans could focus on fighting. c) the war cut americans off from their previous supply of imported manufactured goods. d) the war limited transportation in america, making it necessary to import manufactured goods.

The roman empire created the worlds first