On the question of reunion, the ideal of corporate unity was reaffirmed (58).
This reaffirmed the seven sacraments, transubstantiation and the invocation of saints, and declared the pope head of the Church, but adopted Luther's doctrine of justification by faith in a conditional way, as well as the marriage of priests, and considerably modified the theory and practice of the Mass.
The Porte, unable to resist, was obliged to consent to the convention of Ainali Ka y ak (March 10, 1779) whereby the Russian partisan, Shahin Girai, was recognized as khan of the Crimea, the admission of Russian vessels to navigate Turkish waters was reaffirmed and Russia's right of intervention in the affairs of the Danubian principalities was formally recognized.
In an ordinance on the army word of command, promulgated on the 16th of September, he reaffirmed the inalienable character of the powers of the crown over the joint army and the necessity for maintaining German as the common military language.
But the religious toleration of the edict of Nantes was reaffirmed while its political privilegeswere destroyed, and Huguenot officers fought loyally in the foreign enterprises of the cardinal.