Complex sentence: The witch-hunts reached their peak around the time of the Edict of Restitution in 1629 and the remaining political and popular enthusiasm for them faded quickly after Sweden's entry into the war the following year.
Split into simpler sentences: The witch-hunts reached their peak around the time of the Edict of Restitution in 1629. Much of the political and popular enthusiasm for them faded quickly after Sweden's entry into the war the following year.