Buddhism

A. A philosophy that encouraged people to be in tune with nature
B. A religion that emphasized easing suffering through giving up worldly desires

Both options A and B are correct. Buddhism can be described as both a philosophy and a religion. Buddhism teaches the philosophy of being in tune with nature, understanding the impermanence of things, and seeking inner peace and happiness. It also emphasizes the religious practice of easing suffering by letting go of attachments and desires, ultimately aiming to achieve enlightenment and liberation from the cycle of rebirth.