What ensured a direct line across the american territory for the southern railroad to the pacific? annexation of texas gadsden purchase louisiana purchase mexican cession

hey i did something like that before, what is the quesiton?

on the morning of  july 21,  1861, general mcdowell ordered the  unionarmy to attack. it was on this hill that  confederate  colonel thomas jackson and his forces held back theunion  troops.