Final answer:
Parents should care about Martin Luther King because he fought for equal rights and justice for all individuals, and his leadership and activism brought about important changes in the United States during the Civil Rights Movement.
Step-by-step explanation:
Parents should care about Martin Luther King because he played a significant role in the Civil Rights Movement and fought for equal rights and justice for all individuals, regardless of their race. His leadership and activism helped bring about important changes in the United States, such as the passage of the Civil Rights Act of 1964 and the Voting Rights Act of 1965. By learning about Martin Luther King, parents can help their children understand the importance of equality, social justice, and the ongoing struggle for civil rights.