Final answer:
Shirley Chisholm made the world a better place through her involvement in politics and advocacy for social reforms.
Step-by-step explanation:
Shirley Chisholm made the world a better place through her involvement in politics and advocacy for social reforms. She became the first Black woman elected to Congress and fought for programs like Head Start and the national school lunch program. Chisholm's presidential run in 1972 broke barriers and paved the way for more diversity in politics.