Between 1816 and 1861,the Number of Federal Employees Increased Eightfold,in

 Between 1816 and 1861,the number of federal employees increased eightfold,in large part because of 

A)  an increase in the need for government accountants. 
B)  an increase in the need for Secret Service agents. 
C)  dramatic increases in new government functions. 
D)  growth in the Post Office. 
E)  increases in military staff.