As I am thinking you mean "Producers" when you say "Sellers" I am going to go with, Yes. You are correct it is Supply.
(Also the other one is called Demand not price)
The 17th Amendment (C) established the system of direct elections of Senators by the voting public. This changed the system whereby these individuals were previously elected by state legislatures.
The right answer for the question that is being asked and shown above is that: "<span>D. I and IV."</span>
<span>I. A letter written by a participant in the revolution
II. An article written by an American considering causes for the revolution
III. A historical text written about Middle Eastern revolutions over time
IV. A photograph of political protests during the revolution
A. I, III, and IV
B. III only
C. II and IV
D. I and IV</span>
Answer:
The new plan of government centralized power in the federal government at the expense of state authorities.
Explanation: