Alin sa mga dahilan ng migrasyon ang akma sa konteksto ng bansa? bakit? ​

answer; andrew jackson approved nullification by signing it into law,and john calhoun opposed it saying it was unconstitutional;

c. is the answer : ) (you may punch me if im wrong lol)

the speech revealed that eastern european countries were no threat to their neighbors, which led to the creation of the truman doctrine i think this might be correct.