C. USA because of the 3 branches of government.
Cotton gins are used to separate cotton seeds from the fibers. It used to have to be done by hand, so creating It reduced the amount of time it took to create fabrics
D. The discovery of gold occured around 1848, it was the rush for gold, The chinese would come to the golden mountain just for the gold so D is the answer. Hope that helps! :D
This was forming a goverment that was strong enough to gain loyalty of its citizens but not so strong as to estrange them
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.