What does irrigation mean? A.) A system of water which is used to water crops and agriculture B.) A technique used in the mining industry C.) A technique used by cowboys for raising cattle and sheep D.) Mexican law used for building communities

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.