Answer:
To control them through the use of regulations.
Step-by-step explanation:
Theodore Roosevelts believed that Businesses are crucial parts of maturing economy. But, if the businesses were left without controlled, it will create a detrimental effect for the country (such as dumping waste to the environment, unfair treatments of workers, unfair business practice, etc.)
In order to prevent those detrimental effects, government regulations need to be enacted.
This government regulations were made as protection for the people and the environment of the country. They are designed to restrict the power of the businesses while still fulfilling their economic purposes.