Unitary form of government would avoid this characteristic.
Option: A
Explanation:
Unitary form of government is the system of government which have the supreme power over the every branches of administration means executive, judiciary etc. It finalize the decision of its subordinate classes of governments. Here laws for crimes do not differ from state to state.
In confederate, presidential, parliamentary system of government each branches are assigned with its own duty and it has no power on the decision of other branches. So the decision may vary from state to state. Senate and house of representatives take decision separately for every political feature.
