The Theravada school spread south from India in the 3rd century BCE, to Sri Lanka and Thailand and Burma and later also Indonesia. The Dharmagupta school spread (also in 3rd century BCE) north to Kashmir, Gandhara and Bactria (Afghanistan).
ক. খ্রিস্টপূর্ব কোন শতাব্দীতে থেরবাদী মতবাদ ভারত থেকে দক্ষিণ দিকে ছড়িয়ে পড়ে?
3rd century