What is the significance of Thomas Hoorker

He table below shows the number of immigrants to the united states from different regions of europe between 1871 and 1910

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.

The term habeas corpus is best described