In his effort to reform the civil service, President Hayes appointed a special committee charged with drawing up new rules for federal appointments.

collaborated with Chester Arthur to reform the Port of New York.

convinced Congress to outlaw the spoils system during his presidency.

signed the Pendleton Act of 1883 into law, effectively ending the spoils system.

Should be A.

Explanation:

B is not true, they did not work together, in fact, Hayes demanded his resignation.

C is not true, he failed in convincing Congress.

D is not true, that was signed by Pres. Arthur, not Hayes.

Hope this helped.

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.