Help me with these questions please

Place number for each answer/ questions

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.

How did testimony such as this from the triangle shirtwaist factory disaster affect the workplace?

Which of these were effects of mass production techniques used during 1920s