Which of the following was a key element of the american system? a) abolition of slavery, b) states' rights, c) protective tariffs, d) two-party politics  the answer is c

Protective tariffs  were a key element of the American system. These are tariffs that are enacted aiming to protect a domestic industry. Protective tariffs seek to make imported goods cost more than equivalent goods produced in the country, leading to the rise of sales of domestically produced goods; supporting local industry. Tariffs are also imposed in an attempt to increase government revenue, or to reduce an undesirable activity.

the answer would be 50's sitcoms reinforced traditional roles for men and women.

question 10: the answer is c, to their constituents address a problem.

question 11: i think it would be domestic bills, which deal with american issues only and public bills, which affect the whole nation.