How was Olympia in ancient time​

What is the central idea in this advice from branch rickey to jackie robinson?  

Complete the following sentence with the phrase that is grammatically correct public libraries are important because they encourage learning, provide low-cost resources, and o o a. inspire community involvement b. community involvemeling o c. to inspire community involvement o d. inspiring community involvement

Ineed simplifying this thesis and making it easier to understand for the reader (more concise) "no matter how religious one may be, one’s faith tends to change under unexpected and challenging circumstances."