The civil rights act of 1866 a. was vetoed by congress. b. closed the south to scalawags. c. was instrumental in the establishment of the fourteenth amendment. d. established the black codes to ensure freedom for african americans.

a. by accepting the election of president abraham lincoln in 1860 and convincing other southern states to do the same

copernicus finished the first manuscript of his book, "de revolutionibus orbium coelestium" ("on the revolutions of the heavenly spheres") in 1532. in it, copernicus established that the planets orbited the sun rather than the earth. he laid out his model of the solar system and the path of the planets.