Why are the people of a hill region and mountain region migrating towards terai plzz help me by answering this question ​

The main reasons for the increment in the population of Terai region are the attractions and facilities of trade, agriculture, employment etc.

Explanation:

the old way of life was represented by superstition, an angry god, and absolute submission to authority. the thinkers of the age of reason ushered in a new way of thinking. this new way championed the accomplishments of humankind. individuals did not have to accept despair. science and reason could bring happiness and progress. kings did not rule by divine right. they had an obligation to their subjects. europeans pondered the implications for nearly a century. americans put them into practice first.

answer; approx,300,000 ;