I think it was the Romans
The correct answer for the question that is being presented above is this one: "becoming more self-sufficient." Trading centers in other countries helped the mother country in all of the following ways except for: becoming more self-sufficient gathering sufficient.
The correct answers, respectively, are B) To measure longer periods of time, and B) The gods priests and attendants traveled about the empire conducting Sacret rites. Hope this helps.
historically important as a trading post
