Which infamous individual took over organized crime in chicago in the 1920s

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 which sentence is the italicized word used correctly? a) the sloth is a benefactor that primarily feeds on vegetation, insects, and small birds and reptiles. b) the flood victims were eternally grateful to their benefactors who provided them with food, shelter, and clothing. c) the spectators in the stadium all cheered when the benefactor announced the game would go into overtime. d) the benefactors visiting the laboratory were impressed by the complex equipment the scientists used.

Why are primary sources important when studying historical events