In what two ways does the bill of rights protect and guarantee individuals freedom to engage in business activities

Recognize property rights and limits on taxation.
Property rights prevent businesses from stealing assets and rights which will allow new business to compete with the stronger ones.
Taxation gives the government a medium to redistribute the wealth from larger businesses to the people with lower economic income so they could obtain additional help in establishing their small business.

United states v.  nixon, 418  u.s.  683 (1974),  was  a landmark  united states supreme court case  that resulted in a unanimous  decision  against president richard  nixon, ordering him to deliver tape recordings  and  other subpoenaed materials to a  federal  district  court.