Which of these events is an example of a supreme court ruling overruling an existing law?
a. brown vs. the bored of education ending legalized segregation
b. the 13th amendment ending slavery
c. roe v. wade legalized abortion
d. all of the above

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.