Eliminate B and C immediately. The word integrated means to combine or bring things together, which makes the answer choice D wrong. The best choice is A. I hope this helps.
Answer:
Barter (or Bartering)
Explanation:
Bartering is the exchange of goods and services between two or more parties without the use of money. It is the oldest form of commerce. Individuals and companies barter goods and services between each other based on equivalent estimates of prices and goods.
Answer: Most of the people living in the 13 colonies lived and worked on a farm. Although there would eventually be large plantations where the owners became rich growing cash crops, however life for an average farmer was very hard work. They had to work hard all year just to survive.
The Roman empire reached its peak under the leadership of Trajan in 116 A.D
the empire endured great prosperity during the Pax Romana.
B. Believed in a stronger state government
