The attempted coup against the soviet government in 1991 was led by
the united states.
boris yeltsin.
citizens angered by shortages.
communist hardliners.

The correct answer is Option D) Communist hardliners.

The attempted coup against the Soviet government was led by Communist Hardliners.

At the time, Boris Yeltsin was the President of Soviet Union but was increasingly seen as being too close to the West and especially United States.

He has announced numerous reforms which were opening up Soviet Union to outside influence, business, media and this was seen as an attempt against communism.

d. migration

the tariff was created to protect industry in the northern part of the united states. industries in the north were being driven out of business by imported goods that were priced at a low rate. the goal was to protect these industries   by taxing the goods.