What do histoians intend to do when the make counterclaims?

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

In what year did vladimir lenin and the bolsheviks seize power in russia? 1885 1900 1917 1961

What emperor was given credit for having the aqueducts built