As a deputy postmaster, he became interested in the North Altlantic Ocean circulation patterns. While in England, Franklin heard a question about why it took mail longer to reach than RI. He then asked his cousin who told him that merchant ships routinely avouded a strong eastbound mid-ocean current while the mail packets captain sailed dead into it, fighting an adverse current.
In the city of Philadelphia, Pennsylvania.
To basically make sure you've made your claim clear, and to re-instate your claim just one last time, and add any examples you've missed.
The spread of Islam changed many countries. The religion quickly spread and many countries of power classified themselves as Muslim countries. This united the countries in a religious manner and all of the Muslim countries were led and ruled by a khalifah. The united rule helped Muslims achieve victory over battles that would change the face of the Earth.
The answer is the Judicial Branch