What is the basic difference between an open class system in a closed class system

Closed Stratification Systems. In an open class system, people are ranked by achieved status, whereas in a closed class system, people are ranked by ascribed status.

Explanation:

answer; ///i believe the state is (pennsylvania);

"harry t. moore (1905-1951) – civil rights activist, leader, and the first martyr of the civil rights movement. fannie lou hamer (1917–1977) – leader in the american civil rights movement; co-founder of the national women's political caucus and freedom democratic party. james farmer (1920–1999) – congress of racial equality."