In the 1840s, the main argument in congress over the transcontinental railroad concerned a. the geographic direction of the railroad. b. the money needed to fund the railroad. c. the lack of available workers to build the railroad. d. where the railroad should run.

D - Where the railroad should run

It was debated on whether or not to go North and South or East and West as both proposed different problems and consequences as well as benefits. On top of that, since many American's wanted to follow the Manifest Destiny dream [Pacific to Atlantic oceans], it would be proposed that the railroad should run East to West.

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the answer is b. hope this !

the monroe doctrine is the best known u.s. policy toward the western hemisphere. buried in a routine annual message delivered to congress by president james monroe in december 1823, the doctrine warns european nations that the united states would not tolerate further colonization or puppet monarchs.