Who helped to build the railway (workers) and what hardships did they face?

In duncan v. louisiana, the supreme court ruled that the [blank](fourth, fifth, sixth) amendment could be incorporated to the states. the [blank](equal protection, due process, enforcement) clause of the fourteenth amendment allowed incorporation to take place in this case.

Opinions on victory gardens and their views on the war effort

Which of these belongs to the united states after the spanish american war ?