I need help with this crossword puzzle about world war 1! please answer as many questions as you can asap! thank you :)

Which would be good historical evidence when studying manifest destiny?

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.

What are some incentives that parties have to carry out their campaign promises?