Well, Grover Cleveland was already the 22nd president, therefore, if you look at it this way, William McKinley is 24th. :) But to be technical, yeah, Grover Cleveland.<span />
<span>Selling military supplies </span>
The monarchy and the autocracy both have a head. The head is one of the powerful group. As they continue as leaders they would become a stronger group altogether. So basically one leader of the two groups that controls everything and is the most powerful one.
Henry clay was the negioator