What caused the dust bowl during the depression?
a.
water had been diverted to mexico.
b.
the wells and lakes dried up because of the lack of rainfall.
c.
the loss of glaciers at the poles caused changes in weather patterns.
d.
the topsoil and grasses were blown away because of severe drought.

in february 1787, congress decided that a convention should be convened to revise the articles of confederation, the nation’s first constitution. in may, 55 delegates came to philadelphia, and the constitutional convention began. debates erupted over representation in congress, over slavery, and over the new executive branch. the debates continued through four hot and muggy months. but eventually the delegates reached compromises, and on september 17, they produced the u.s. constitution, replacing the articles with the governing document that has functioned effectively for more than 200 years.

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