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list the two traits of public goods and give an example of such a good?

A public good is nonexcludable and nonrivalrous. An example is national defense.

Nonexcludable means that it is costly or impossible for one user to exclude others from using a good. Nonrivalrous means that when one person uses a good, it does not prevent others from using it.

An example of a public good is a national defense. Regardless of whether you choose to be covered by national defense, you will still benefit from it and will not be excluded from being protected. It is nonrivalrous, because even it someone else is benefiting, it does not prevent the rest of the society from benefiting at the same time.

the aksumite empire was an ancient kingdom located in what is now northern ethiopia from the period of 100 ad to 940 ad. its capital was the city of aksum. the kingdom established itself as one of the 4 great powers at its time, along with persia, rome, and china.

the kingdom was rich in goods like gold, iron, and salt. it established strong commercial ties with the regions governed by rome, egypt, and persia (arabia). aksum was a key location in this commercial network. trade was also facilitated with the introduction of the aksumite currency.

answer; sociological imagination;