Only when you arrive in Philly can you understand how famous Benjamin Franklin is. As the famous politician, writer, publisher, you can sense his influence wherever you go. Apart from his contribution to electricity, he also had a huge impact on Independence War and education. This is his tomb together with his wife. There are some pennies on his tomb. A penny is similar to the pronunciation of Pennsylvania. This also shows his great contribution to Pennsylvania.
Quaker is a sect of Christian. This sect originated from England and the believers moved here due to dissatisfaction with English church. They believe that God would speak directly to everyone, so there is no need for a mediator. This is their church. They do not need a priest or any ritual. The only thing to do in church is to pray, mediate and communicate with God. Most early settlers here were Quakers.
Another famous fact of Philly is that this is where the national flag was born. The designer and maker were all from Philly. This is the residence of the maker Betsy Rose.
The reason why U.S is a superpower is related to its Christian tradition. However, the over pursuit of freedom has made some of its laws off the nature of Christianity.