Which of the following statements best explains the significance of trade in ancient India
1
Trade was isolated to the internal exchange of goods within the subcontinent, with little interaction with foreign civilizations.
2
Trade led to the propagation of Indian religions, including Buddhism, to regions such as Southeast Asia.
3
The primary impact of trade was the rapid militarization of the Indian subcontinent, leading to regional conflicts.
4
The introduction of coinage in ancient India completely replaced the barter system, which fell out of use