How did railroad expansion make natural resources more available in the united states?

Railroads connect remote areas to industrial towns and cities. With the expansion of railroads the exploitation of natural resources and their transportation from the place of origin to the place where they are processed became more accessible. Thus natural resources became more vulnerable with the increased mobility of humans and resources.

maybe you need to work on the pipes in the house. i am just saying this because you did not give any details.

lend lease program was passed by congress on march 11, 1941. the president could ship weapons, food, or stuff to any country whose struggle against the axis assisted u.s. defense