The national government helped to finance transcontinental railroad construction in the late nineteenth century by providing railroad corporations with

Credits and land concessions.

Explanation:

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During his presidency, Lincoln understood the need to unite the eastern and western extremes of the United States, through a transportation system that would guarantee some safety and speed in travel.

In 1865, the Congress passed by law the financing of the first transcontinental railroad construction, which linked the city of Omaha with the city of Sacramento.

In order to carry out the execution of the works, the government hired the companies "Central Pacific" and "Unión Pacific".

On May 10, 1869, the act of inauguration of the railway line was carried out, in which Stanford placed the "Golden Spike" in Promontory, Utah.

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equal pay act of 1963. the equal pay act, signed in to law by president john f. kennedy on june 10, 1963, was one of the first federal anti-discrimination laws that addressed wage differences based on gender. they felt that this would prevent employers from undercutting future wages for men.