How does the business environment and technological innovation in the modern united states resemble the united states during the late 1800s and early 1900s? what are the strengths and weaknesses of the us culture of innovation throughout history and today?

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.