"What is the origination of the various different havaras in klal yisroel? i.e. Litvish, Chasidish, Sefardish, Teimani, etc. When and where did the so-called Litvish havara split from the so-called Chasidish havara? What other havaras exist?" (source)

"What are the differences between the Litvakes, Hassidisher, Sefardish, Religious Zionists, and Modern Orthodox yeshivas?" (source)