Need help with this history question

Which research model refers to the study of an individual, group, or community over a predetermined period? a. cross-sectional model b. sectional model c. cross-sequential model d. longitudinal model

If you had been an american colonist, would you have supported the declaration of independence? why or why not?

When analyzing the election of 1876, what conclusion can be drawn? a.a majority of northerners wanted to enforce reconstruction policies more stringently.b.if tilden had won the electoral votes from louisiana, florida, or south carolina, he would have been elected president.c.the republican party had increased its support in the south.d.rutherford hayes did poorly in the western states.e.the republican party did a good job protecting the voting rights of african-americans in mississippi.