What caused the united states to grow the most

How did tyrants attempt to gain the approval of common citizens?

What is the name for the main idea behind the settling of western lands by americans in the early-1800s?

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.