Why does Thailand have the greatest ethnic diversity?

Thailand's diverse ethnic makeup can be attributed to its geographical location and historical development. The country is located at a crossroads of Southeast Asia, making it a melting pot of various ethnic groups who have migrated and settled in the region over centuries. Additionally, Thailand's history as a hub for trade and commerce has also attracted people from different backgrounds and cultures.

Moreover, Thailand's colonial past, as well as its position as a former kingdom with influence over neighboring regions, has further contributed to its ethnic diversity. The country's ethnic makeup includes various indigenous groups, as well as people of Chinese, Indian, Malay, and other ethnic backgrounds.

Overall, Thailand's diverse ethnic composition is a result of its unique geographical position, historical development, and interactions with neighboring regions and cultures.