Answer:
c. defined the rights of American citizens without regard to race.
Step-by-step explanation:
Civil Rights Act of 1866 was the first law passed by Congress to define citizenship in the United States. The law was passed on 9 April 1866, over the veto of President Andrew Johnson by the two-third majority of each house. The Act guarantees equal rights to all the citizen of nation and they should be not be discriminated on the basis of color, race or previous religion. It aimed to provide safeguard rights to former slaves but failed to achieve its objectives because of the discriminatory laws in the southern state.