Um can you just tell me which one it isn't

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

Write the title date and stated purpose of the map you have chosen to describe what you learn from your careful review of the maps information

Name three new weapons that changed how ww! was fought and how?