The answer should be C. Nirvana. To end the suffering of one in the Buddhist way, it is said you need to go through the Eightfold Path, which is the path to Nirvana.
Beginning in the Middle East, Christianity began its spread north and west into Europe, carried by merchants, missionaries, and soldiers. ... As a result, in 313, the Edict of Milan was passed, which guaranteed freedom of religion throughout the Roman Empire, ending the persecution of Christians.
The Major province of the Gulf of Tonkin resolution was to empower President Johnson to take any necessary steps, which were required to bring security and peace in the South East Asia, not only nationally, but also internationally. The resolution was passed by the Congress in 1964.