The word settled is used correctly in that sentence. If there are more sentences comment them I can help.
Answer:
More of the world's population is now concentrated in heavily populated urban areas known as <u>megalopolis</u>. This is quite a contrast from the past, when <u>indigenous</u> or native groups were either farmers or <u>nomads</u>— hunters and gatherers who moved between places in search of food. Advanced technology has led to <u>globalization</u>, the integration of world economics and cultures, in the world's more developed countries. This integration requires increased <u>conservation</u>, the responsible use and management of natural resources.
Authorization, defines what a person accessing the data can do with that data.
