Answer:
China and India
Explanation:
Mahayana Buddhism is thought to have spread from both China and India during the first and second century into Southeast Asia. Mahayana took root primarily in maritime Southeast Asia, although there was also a strong influence in Vietnam, in part due to their connection with China.
America Christopher Columbus
North America Lief Ericisson
very poor conditions, diseased boats, lack of sanitary food and water, lots of rats where food was stored...