Powerful political idea of the 1800's that upset the balance of power in europe

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

Which of the following best describes the relationship between the united states and south korea today?

How did the treaty of versailles cripple germany after world war one ?