When should government be changed or altered?

There could be multiple situations that deem it necessary for a government to be altered. For example, if people in power begin to violate their citizens' basic human rights, then there should be a call for change. 

A) Anti-federalists. They wanted more state power.
b) sovereignty
c) Federalists were in favor of a stronger national government, and were in favor of the Constitution as opposed to the Articles of Confederation.
d) Amendment, we currently have 27.
e) Commerce clause
f) ratify
g) ordinance
h) dual sovereignty