Final answer:
The government poster directly related to the Civil Rights Act of 1964 is the one that says 'EMPLOYMENT DISCRIMINATION IS ILLEGAL' and it was issued by the Department of Transportation.
Step-by-step explanation:
The government poster that is directly related to the Civil Rights Act of 1964 is the one that says 'EMPLOYMENT DISCRIMINATION IS ILLEGAL'. This poster was issued by the Department of Transportation and it aligns with the anti-discrimination provisions of the Civil Rights Act, which aimed to end racial segregation and discrimination in various sectors, including employment.
Learn more about Civil Rights Act of 1964