What is the most widely held ideal of the us political culture?
a.)belief in a limited government that protects individual liberties
b.)belief in a unitary government and centralized decision making
c.)belief in a strong government that monitors individual actions
d.)belief in a weak central government and strong local governments

A) belief in a limited government that protects individual liberties. 

It is not b, since the unitary government means that one body is ultimately supreme. The United States government has 3 branches. 
It is not c, since there is very little belief that the government should monitor individual actions, the culture believes in the protection of privacy. 
It is not d, since the United States does not believe in a weak central government.