I noticed that they are usually aquatic like animals. The regions mentioned consist of fish, shellfish and migratory birds (probably there for the fish). So the area is mostly aquatic based.
Babylonian attitude towards propriety was led by The Code of Hamurabi, wich was a set of laws created in Mesopotamia, around the XVIII century BC, by King Hamurabi of the first Babylonian dynasty. The code was based on the Lex Talionis, which stated "an eye for an eye, a tooth for a tooth”. Although it may seem a little barbaric for nowadays standards, the code was actually very sophisticated at that time, and provided a set of measures regarding the guarantee of private property, recognizing many ways of disposing it, such as sale, lease, barter, gift, dedication.
Taking into account the statement above: "What was one of the advantages of the huge estates, or villas, created in the fourth century?a. They offered protection in an unsettled world.
b. They provided the basis for agriculture, trade, and industry.
c. They facilitated a process of cultural exchange.
d. They were a way peasants could avoid paying taxes."
The answer is: A.
Hope this helps.
