Which event resulted directly from the growth of railroads in the 19th century? A. More women participated in the workforce.
B. Banking practices became fairer to farmers.
C. Standardized time zones were created.
D. Child labor practices were improved.

Why were presidents andrew jackson and martin van buren unwilling to annex texas? a. they did not want texas to be admitted to the union as a slave state. b. they feared that the annexation of texas as a slave state would lead to political problems within the union. c. they thought that texas was too large to be admitted to the union as one state. d. they did not believe in the idea of manifest destiny.