"Letter from Birmingham Jail," by Martin Luther King, Jr. from his jail cell in the Birmingham Jail, is a seminal document that established the moral foundations for the non-violent civil rights demonstrations of the Birmingham Campaign. Other seminal US documents include Washington's Farewell Address, the Gettysburg Address, and Roosevelt's Four Freedoms Speech.
In the context of this statement what does the word seminal mean?
A. A speech or document that is not important and quickly forgotten.
B. Having a strong influence on ideas, works, events, etc., that come later.
C. A religious document.
D. None of the above
