Flags that Separate and Unite: Parshat Bamidbar

"Do you have a flag?" Other than waving in the breeze, what function does a flag have? Hillel Bierbrier, an Advisor for NCSY/JSU Canada, provides an explanation.

In this week's parsha, Bamidbar, The Twelve Tribes of Israel are given degalim, banners, to assemble into camps under as they wander the desert. But why recognize these divisions now, rather than at Sinai, and how does this at the same time help to unite the people?