Many important changes were made to the U$.$S$,$ healthcare system in the second half of the $20$th century. Based on this module's lesson about health care financing, all of the following are true, except: In the second half of the $20$th century, the U$.$S$,$ successfully proposed and adopted universal health careO in the second half of the $20$th century, group health insurance policies began to be offered as an employee benefit, with the purchasing of coveragebeing handled by companies and fewer people taking out individual insurance policiesO as of the second half of the $20$th century, most health insurance coverage included a comprehensive set of health care benefits, including hospital staysand physician care, as well as other types of services and benefits in the second half of the $20$th century, both the public and private sectors began to have expanded and increasingly important roles in the provision of health insurance coverage