Answer: Trade and economic activity
Explanation: All the options offered are achievements and a measure of the degree of development of civilization. However, trade and economic activities essentially determine the degree of development of civilization, and therefore other parameters, such as art, religion, etc. Based on the developed economy and trade, it can be strengthened economically, thus having more power, influence, prosperity, status, etc. Trade and economic activities are a precondition for richer trade in goods, and various other benefits that flow from it. With a strong economy and commerce, civilization is able to develop art, science, to build temples dedicated to its deities, to regulate religious and social relations at a higher level, etc.
