I believe the answer is: c. airplanes, farming
During the wartime, airplanes industries managed to develop the technology that allow the planes to move at higher elevation and speed, which would give a competitive advantage during the war.
The development in farming revolve around their preservation technique, which made is easier for the government to prepare the meal supply for their soldiers.
Many of the arguments that favor internal improvements financed by the government center around economic development as a result of government spending as well as the fact that infrastructure and internal improvements are public goods which will largely not be paid for by the private sector. The arguments against it are that the government shouldn't finance these projects because the market will account for it somehow. Most individuals even if they are against government spending believe that the government should be responsible for infrastructure projects.
Slowing down and accessing then problem.
The correct answer is "Speaker 2".
The centralization of power was a matter of much debate during the Constitutional Congress of 1777. During the elaboration of the draft that would become the United State's constitution, points like the checks and balances between powers and state representation came into question. A group of the members at the meeting supported a stronger federal government, while others supported a more decentralized one, limiting the power of the federal government by granting more attributions to the states.