Large estates that met all of the needs of those living on the estate. Farmers gave service to powerful landowners in exchange for their
protection
Each estate was made up of cottages, barns and fields, often with a
mill, workshop, church and castle.
These characteristics describe the-
A. properties of leading warriors under Alexander the Great.
B. trading outposts along the Silk Road.
C. manorial system of Western Europe during the Middle Ages.
D. division of authority and wealth in Hindu India.

Correct answer is C. manorial system of Western Europe during the Middle Ages.

Explanation:

Option C is the correct one as it refers to the manorial system that existed in Europe in Middle Ages that was based on the division of land that senior gave to his vassals who were controlling the manors. Farmers or the peasants were doing all the hard work on those manors and they lived in this small cottages.

Option A is not correct as manorial system didn't existed during Alexander's period.

Option B is also not correct as it had no connections with the Silk Road whatsoever. Silk Road was connected to the trade system.

Option D is not correct as in India manorial system didn't developed mostly due to their strict caste system.

the correct answer is “opportunity cost”. opportunity cost is what a company misses out because it decided in one option over another one. in this case, the company decided to invest in building a factory so it gave up another possible benefit or profit in order to achieve success with the factory.  

trade-off is not the correct answer since it is a situation in which you accept losing something in return for benefits in other areas.

and finally, consequence is a general term used to accept what it comes when you make a decision. it can be a positive or negative consequence depending if the decision you took was the correct one.  

the answer is lower nubia. plz mark brainliest i am trying to improve rank.