Which civilization did Alexander the Great conquer on the African continent?

Egypt
Greece
Ionia
Persia

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

in 1859, brown and 21 of his followers attacked and occupied the federal arsenal in harper's ferry. their goal was to capture supplies and use them to arm a slave rebellion. brown was captured during the raid and later hanged, but not before becoming an anti-slavery icon. abolitionist and insurrectionist

explanation:

the constitution gives congress the power to regulate commerce "among" the several states.

they were poor

they need money