In a world characterized by increasing integration on economic, political and institutional levels, the notions of sovereignty and independence are becoming somewhat vague and a number of social entities such as ethnic groups which exist within wider societies are perceiving such integration - which is partly due to globalization - as a threat to their culture and identity.
Answer: the correct answer is c) adulthood. The correct sentence will be A civilization reaches its high point during its <u>adulthood</u> stage.
Explanation: every civilization experiences a process: first, it is born then it grows, after that, it reaches its highest point and at the end, it declines.