Is it b? -what is a coup d’etat?

a rejection of the ideas of a government
a sudden overthrow of an existing government
a civil war between groups within a country
a war against a country that used to be an ally

The discovery of hammurabi's law code was an important archaeological find because it a. was the first law code developed in the middle east b. showed that early mesopotamian cultures had a bill of rights c. is the most complete mesopotamian law code known d. provided a model for european law codes