<span>What senator proposed policies to improve the national economy known as the American system? answer: Henry Clay.</span>
Senator proposed policies to improve the national economy known as the American System. saying this is all true about the American system stated by the senator himself.
American System<span>the policy of promoting industry in the U.S. by the adoption of a high protective tariff and of developing internal improvements by the federal government (as advocated by Henry Clay from 1816 to 1828)
</span>Henry Clay: National Development Must Take Precedence Over Debt Payments
Answer:
Prior to the Civil War the economies of the North and the South developed differently in the early 1800s. Although both economies were mostly agricultural, the North began to develop more industry and commerce. ... The growth of industry in the North helped lead to the rapid growth of Northern cities.
I think number 8 is B hope this helps!!:)
Airplanes were vital for ww1 to ease transport of amo and soon guns on the planes including bombs this made it easier for to launch quick air strikes on places like bases vulnerable to air strikes
Yes, I believe that's true.