Which of the Kushana ruler patronized Buddhism?
a. Ashoka
b. Vikramaditya
c. Kanishka
d. Kautilya

[spoiler title=”Answer and Explanation”]

Kushana, the most famous Kushana ruler, patronized Buddhism. The Fourth Buddhist Council, in which Buddhism got split into two different schools—Hinayana and Mahayana—was held during his reign in Kashmir. Be also patronized the Buddhist scholars—Vasumitra, Asvagosha and Nagarjuna.
Hence, the correct option is (c).

[/spoiler]