What Two Issues Caused Conflict Between The Safavids And The Ottomans?

What Two Issues Caused Conflict Between The Safavids And The Ottomans? The Ottoman and Safavid empires were both muslim, but the Ottoman empire was sunni while the Safavid empire was Shiite. This caused conflict between the two empires along with fighting over territory, considering they bordered each other, so they went into a war called