The national unity of a free people
P : to make it impracticable
Q : for there to be an arbitrary administration
R : depends upon a sufficiently even balance of political power
S : against a revolutionary opposition that is irreconcilably opposed to it

The Proper sequence should be:

A. QRPS

B. QRSP

C. RPQS

D. RSPQ

Answer: Option D

Solution(By Examveda Team)

The national unity of a free people depends upon a sufficiently even balance of political power against a revolutionary opposition that is irreconcilably opposed to it to make it impracticable for there to be an arbitrary administration.