It’s true because he did do that when he had the rights to
The use of the terms Encounter and Columbian Exchange represents attempts to describe the (1) nature of cultural interactions. An encounter is an authentic, congruent meeting between two individuals and the Columbian Exchange was the widespread transfer of animals, plants, culture, human populations, technology and ideas between the American and Afro-Eurasian hemispheres in the 15th and 16th centuries related to European colonization and trade, including the African/American slave trade after Christopher Columbus' 1492 voyage.
The answer is the wagner act.
I hope this will help you :D
Laissez-faire is an economic philosophy of free-market capitalism that opposes government intervention, but Roosevelt enacted government programs to create a "welfare state" and provide jobs instead.