What was the initial purpose of Labor Day when it became a national holiday?

What was the initial purpose of Labor Day when it became a national holiday?

A To celebrate the end of summer
B To honor workers’ contributions
C To commemorate the founding of unions

Fact: Labor Day was established in 1894 to honor the contributions of workers in America, particularly in relation to the fight for fair wages and safer working conditions.

Correct Answer: To honor workers’ contributions