A brisk trade between Egypt and India had developed by the time of Christ, facilitated by monsoons. Ships would depart from Egypt’s Red Sea port of Berenice and catch the west monsoon for India, then catch the one blowing from the east for the return trip.
True enough. Not much help getting to America, though.
It’s a LONG way from India to America. Crossing the Atlantic is a much easier proposition. Simple, if one understands the winds and currents and doesn’t hit bad weather.