Identify and discuss two of the ways in which the (AMA) suppressed rivals and raised the standards of medicine in the United States?

1. Historian Ronald Numbers analyzes how the American Medical Association (AMA) consolidated authority over the medical profession in the United States at the end of the 19th century and the beginning of the 20th century. Identify and discuss two of the ways in which the (AMA) suppressed rivals and raised the standards of medicine in the United States?