I believe the answer is A. 5
"Ulysses S. Grant became a colonel in the Union volunteer army. His first victory was when he captured Fort Henry and Fort Donelson in February 1862. Also this man opened two rivers, and received national recognition for victories in February 1862, the first major Union victories of the war."
To improve development of a market economy.
Answer: The answer is the second one: "The Pax Romana was a period of peace and prosperity."
Explanation: The period of Pax Romana started on 27 B.C.E and ended on 180 C.E. In this long stretch of time, the Roman Empire witnessed economic prosperity and peace that spanned the entire empire.
Answer:
Unions simply do not provide the economic benefits that their supporters claim they provide. They are labor cartels, intentionally reducing the number of jobs to drive up wages for their members. In competitive markets, unions cannot cartelize labor and raise wages. Companies with higher labor costs go out of business.