Which of the following systems of government allows citizens to hold only one form of political opinion?

where is the subject? hahahaha

president thomas jefferson hoped that the embargo act of 1807 would the united states by demonstrating to britain and france their dependence on american goods, convincing them to respect american neutrality and stop impressing american seamen. instead, the act had a devastating effect on american trade.

barack obama

44th president of the united states

i don't think it's c or d. i think it's either a or b.

hope this .