At least 300 rehab facilities in 44 states required unpaid labor from participants, investigators found.
Some businesses owners struggling with COVID-19 restrictions asked for the pay hike to be delayed.
The retail giant is boosting its minimum wage $2 per hour, accelerating planned increases. The move may reflect current crises in America as well as expectations of a strong economy.
The House-passed Raise the Wage Act would phase out subminimum wages for people with disabilities in sheltered workplaces.
The House-passed Raise the Wage Act would phase out the $2.13 an hour federal minimum for tipped workers.
It would be the first increase at the federal level since 2009, but Senate Republicans aren't likely to consider the bill.
Do possible wage gains matter more than potential job losses?
Some states and several cities and counties are raising their minimum wages this week
To recruit more young people, employers talk up technology and higher pay.
Finding and retaining workers can be a challenge.