Dora Bas Rivka Silver O'H
The Issachar-Zebulon Kollel
Zebulon was told to rejoice in their business dealings and Issachar in their studies. (Issachar was a Tribe of scholars, supported in large part by the sea-faring merchants of Zebulon.) Nations assemble at the mountain to offer thanks to God; they will be fed with the bounty of the sea.
Blessed is God, Who helps the Tribe of Gad to grow. They took the first portion of the land for themselves and that is where the lawgiver is hidden. (Rashi on verse 21 says that this means that Moshe is buried in Gad's territory in Trans-Jordan.)