The Railroads were the first big business
The answer is "Anyone from the Muslim community can interpret the Qur’an and laws and lead the daily prayers."
Sunnis usually practice reading and following the Qur'an. They practice what the Qur'an has taught them and incorporate this into their daily lives.
The Freedmen's Bureau was established by Congress as the Bureau of Refugees, Freedmen, and Abandoned Lands on March 3, 1865, to aid and protect former slaves after the end of the war. Its original charter was for one year.