A truce concluded about this time between these potentates, and afterwards prolonged for ten years, freed him from all anxiety on account of his ally, and reestablished the tranquillity of Europe.
Henry continued desirous of cementing a union with the German Protestants; and for that purpose he sent Christopher Mount to a congress which they held at Brunswick; but that minister made no great progress in his negotiation.

The princes wished to know what were the articles in their confession which Henry disliked; and they sent new ambassadors to him, who had orders both to negotiate and to dispute.
They endeavored to convince the king, that he was guilty of a mistake in administering the eucharist in one kind only, in allowing private masses, and in requiring the celibacy of the clergy.[*] * Collier, vol.ii.p.

145, from the Cott.Lib.

Cleopatra, E.5, fol 173.
Henry would by no means acknowledge any error in these particulars; and was displeased that they should pretend to prescribe rules to so great a monarch and theologian.

He found arguments and syllogisms enough to defend his cause; and he dismissed the ambassadors without coming to any conclusion.