Answer:
A. dharma
Explanation:
In his Tiruvachagam, Manickavachagar says that Lord Siva taught the four sons of Brahma the Vedas and the four Purusharthas. There are four Purusharthas — artha (wealth), kama (desire), dharma (righteousness) and moksha (liberation). These may be said to be the four goals of all mankind.
