Congress passed the Civil Rights Act of 1964 using this Constitutional authority.
a. commerce power
c. protection of states' citizens
b. taxing power
d. war powers
Congress passed the Civil Rights Act of 1964 using this Constitutional authority and this was a c) protection of state's citizens. The Civil Rights Act of 1964 is defined as a "landmark piece of civil rights legislation in the United States that outlawed discrimination based on race, color, religion, sex, or national origin."