A(n)is a group of organisms that can mate and produce offspring that can mate.

by 1880, germany had more rail lines than great britain and russia.

the main reason that the constitution did not proclaim all men to be free and equal is because of the issue of slavery.

it made them more prductive and efficent but with the change of polcies less and les got into the navy

(d). gave voting rights to free african americans and white women.