Answer:
1. The gods of Hinduism
2. the vedas and rituals
3. The Caste system
4. The Atma ( means Soul). He believed in "Anatman" i.e No Soul
5. He believed in Rebirth and rejected reincarnation
The southern region (the Balkans) was influenced by the Byzantine and Ottoman empires. The north was influenced by Western Europe, and the east was most influenced by Russia.
B. The fire happened in 1871
We (as in 2016) cannot use the land bridge because of the melting of the glaciers. Back then the glaciers were still in one piece and the sea levels were much lower than now. This allowed the early people to cross the bearing straight.