The economic trend illustrated in the chart proved most beneficial to:
O
A. Andrew Carnegie.
O
B. John D. Rockefeller.
O
C. William Jennings Bryan.
O
D. Cornelius Vanderbilt.

necessary and proper clause. the congress shall have power to all laws which shall be necessary and proper for carrying into execution the foregoing powers, and all other powers vested by this constitution in the government of the united states, or in any department or officer thereof.

political parties are protected under 6th amendment.

b europeans take corn to africa. corn becomes an important crop there.

a causal relation between two events exists if the occurrence of the first causes the other. the first event is called the cause and the second event is called the effect. a correlation between two variables does not imply causation.

explanation: