Answer: Hindu caste system was kinda strict. You couldn't move up at all in the caste system.
Answer:
The word is connected through travel because It connects different cultures and people with different ideas. Such as when an American person goes to India and is inspired to learn more about indian cultures and ways of life. This leads on to communication because that same American needs to communicate with people in India to learn more about their culture
Explanation:
Travel and communication is connected through culture and ideas. If there was no communication then an idea would not be able to spread. If there was no travel then culture would not be able to be spread.
Http://history-world.org/islam.htm
This site will provide information, but it changed the entire social order and beliefs, customs and culture of the people.
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Longitude is the measurement east or west of the prime meridian. (Imaginary lines that run around the Earth vertically. up/down.)