Are the majority of railroad tracks in free states or slave states?

Who is considered the father of modern science?

And other public buildings played a major role in the daily lives of the people of ancient greece. a. arenas b. courthouse c. temples d. malls

The formation of business monopolies in the late 1800s was made possible by the (1) effects of laissez-faire policies (2) passage of federal antitrust laws (3) elimination of the free-enterprise system (4) adoption of socialist economic practices