while no options are provided here:
the fundamental difference between the Soviet Union and the USA was that the Soviet union was a communist state while the usa was capitalist state. In terms of freedoms and liberties, the soviet union did not guarantee liberties in line with the concept of ploretariat dictatorship. In terms of governance, the soviet union was an authoritarian regime while the USA was a democracy. in terms of religion, the soviet union crashed on the freedom of its people to worship, in line with Marx assertion that religion is the opium of the masses while The USA did not.