This religion was heavily patronized by rulers of the (*) Bactrian and Kushan empires, the latter of which issued coins depicting the Three Jewels.
Missionaries for this religion were sent to king Amtiyoko by a ruler who convened its Third Council. Texts from this religion record questions asked of a sage by a ruler named Menander, who came from the Euthydemus dynasty like Demetrius the Invincible. Innovative art depicting figures from this religion was developed in the city of Taxila. This religion was heavily patronized by rulers of the (*) Bactrian and Kushan empires, the latter of which issued coins depicting the Three Jewels. This religion's spread is indicated at places like Lumbini by pillar edicts created by a king who converted to it after the horrific Kalinga campaign. 
Missionaries for this religion were sent to king Amtiyoko by a ruler who convened its Third Council.
Buddhism [accept Mahayana Buddhism specifically, but not "Theravada Buddhism"] 