Complex sentence: Full religious freedom had to wait two more years until the Declaration of the Rights of Man and Citizen of 1789, but the 1787 Edict of Tolerance was a pivotal step in subduing religious strife and it officially ended religious persecution in France.
Split into simpler sentences: Full religious freedom had to wait two more years, with enactment of the Declaration of the Rights of Man and Citizen of 1789. However, the 1787 Edict of Tolerance was a pivotal step in eliminating religious strife and it officially ended religious persecution in France.