The Congress of the United States has been located in all of the following cities, sometime in its history, except "Boston," since this was never close to where a capital was formed.
The best answer is B) It attempted to stop some of the worst abuses of the Catholic Church.
Although the Catholic Church did denounce Protestant movements, such as the Calvinists, as non-Christian, they also tried to implement many reforms in order to limit corruption and other factors that had created a divide between the church and the people. This mainly took place at the Council of Trent.