In an Important 1873 Decision Known as the Slaughter House

In an important 1873 decision known as the Slaughter House Cases, the Supreme Court rejected the notion that

A) Congress could regulate food safety at local processing facilities.
B) animals had rights that limited how they were raised and killed.
C) Congress could regulate commercial food distribution under the interstate commerce clause.
D) the Fourteenth Amendment fully incorporated the Bill of Rights to apply to the states.