Write types of geverment system in the rest of the world

What is the main idea of the text: hammurabi's code

How does a command economy differ from a mixed market economy? in a command economy, citizens have fewer property rights. in a mixed market economy, citizens have more property in a command economy, citizens have more property rights. in a mixed market economy, citizens have fewer property rights in a command economy citizens own all public property. in a mixed market economy, the government owns all private, property in a command economy, citizens own all private property in a mixed market economy, the goverment owns all public property

Given: circle a externally tangent to circle b. how many possible common tangents to circles a and b can exist? 2 3 4