Actually every single one is correct, A<B<C they all are factors in the decline of Sumer.
The main result of the Supreme Court ruling in Gibbons v. Ogden was that "<span>The Court defined interstate commerce and declared federal law supreme over state law," since the ruling was that the power of Congress to regulate interstate commerce applied to navigation as well. </span>
Because people had to surrender reference books and nonwhites had a restriction of traveling in South African government
The Answer is A, the 'triangle' trade was from America to Europe to Africa
Spanish priests, a colloquial reference to the presence of the Catholic church in the Americas during their colonization by Spain, were responsible for the conversion of indigenous peoples to Catholicism in the Americas. A two-pronged philosophy of "humanizing" drove the Church's conversion impetus.