What prompted great britain and france to declare war on germany?

Sea exploration became important during the late middle ages because europeans most likely wanted to

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.

(05.04 mc) how did the roman transportation system keep the empire strong? plz