The theory of Laissez-Faire economics was used during the late 1800s to ...

1) Justify unregulated business growth

2) Call for more consumer protection

3) Support Progressive programs

4) Achieve equal distribution of income

1 is correct. Laissez-Faire is the theory of no government intervention in trade. In the late 1800s there were a lot of wealthy big businesses, mainly corporations, that were causing the ruin of smaller ones. People who opposed big business called for government regulation of it. The supporters of big business attempted to justify it using Laissez-Faire.

The theory of Laissez-Faire economics was used during the late 1800s to j ustify unregulated business growth.

Answer: 1) Justify unregulated business growth