What led to the rise of the republican party? how did the party define its position on slavery?

The Republican Party emerged in 1854 to combat the Kansas–Nebraska Act and the expansion of slavery into American territories. The early Republican Party consisted of African-Americans, northern white Protestants, businessmen, professionals, factory workers, and farmers.

the correct answer is b, "fertility rates are increasing, so populations will grow more quickly in the future."

b: to eliminate competition from other farmers