Why is it hoda’a (Modim) and not in Avoda (Retzei) as is Yaale Vyavo?

Ve’al HanissimThe prayer said in Shemona Esrei and benching (in “Hoda’a”) its meaning (in part) and where we recite it and why. This class is based on source material. Some of the thoughts however are (semi)original and each person will judge for himself. First Version. (5668). Second Version. (5669).