Why do people disagree with the Louisiana purchase territory?

Choose all that apply during the years of the industrial revolution 1. the average life expectancy decreased 2. the worlds population decreased 3. birth rates decreased 4. the average like expectancy increase

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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