Article I, Section 9 “No Preference shall be given by any Regulation of Commerce or Revenue to the Ports of one State over those
of another: nor shall Vessels bound to, or from, one State, be obliged to enter, clear, or pay Duties in another.” According to the passage, the Constitution limits federal power by
A. prohibiting the federal government from taxing foreign imports.
B. allowing federal preferences of one state's ports over another.
C. preventing federal taxes on goods moving from state to state.
D. keeping vessels from moving from state to state.
B, European settlers were immune to such diseases like smallpox because it came from their region, when knowledge that the native Americans were not immune and the disease was lethal to them, they started distributing blankets and clothing items that were infected with the viruses and caused a major impact on native population
