Answer:
The first United States census was taken in 1850, when the Texas population comprised 154,034 whites, 397 free Negroes, and 58,161 slaves. The second United States census in 1860 gave Texas a population of 604,215. ... A 19.7 percent increase between 1940 and 1950 brought the population to 7,677,832.
A secondary source is a description coming from someone who wasn't there and didn't truly experience the event. Since the source contains a soldier's description rather than the soldier writing it him/herself The source is a secondary source. Now since the source obtained it directly from the soldier the source be A. a secondary source with an understandable point of view.
