A researcher tries to reconstruct a person's past by interviewing the person and by consulting various other sources that relate to the person's life. This method of conducting research is called the approach.

Available Approaches are:

a. longitudinal

b. cross-sectional

c. biographical

d. convergent

Option C. Biographical Approach

Explanation:

The reason is that constructing an opinion about a person by looking at his past and considering his characteristics by using different resources that relate to his life is person's biography and the approach is known as biographical approach.

industry had made the u.s. the richest nation in the world at this time. the second industrial revolution caused growth in industry and transportation, which allowed increased trade between nations.