I think T'ai-tsu is the person who made Changan his dynasty's capital
Beacause of people being stupid
I believe it summarizes the main ideas of this essay
Answer:
Indian astronomy was influenced by Greek astronomy beginning in the 4th century BCE and through the early centuries of the Common Era, for example by the Yavanajataka and the Romaka Siddhanta, a Sanskrit translation of a Greek text disseminated from the 2nd century.
Explanation: