3. because he saw it pleased the Jews--Popularity was the ruling passion of this Herod, not naturally so cruel as some of the family [JOSEPHUS, Antiquities, 19.7.3].
      to take Peter also--whose loss, at this stage of the Church, would have been, so far as we can see, irreparable.
      Then were the days of unleavened bread--seven in number, during which, after killing and eating the Passover, no leaven was allowed in Jewish houses (Ex 12:15, 19).

JFB.