The correct answer is A.
Feudalism is a political system which was prevalent in Europe between the ninth and fifteenth centuries. The majority of privileges and rights were offered to the Upper class and level of the society. The King ruled and owned everything and had total control over all. His vassals (knights) were given some small parts of land but in exchange, they had to provide military protection. The serfs were lent land and they had to provide food and services to the upper classes.
You don't owe anything in federal income taxes. Federal income taxes were declared unconstitutional by the supreme court in 1895 and the decision stood until the 16th amendment in 1913 when they were declared constitutional and mandatory again.
During those years, the US didn't receive any money at all from it's citizens and because of this the US reserve started to decrease.
If you would owe them, however, they would be paid directly to the US Federal Government.
Answer: They put villages by water sources, like rivers and lakes and oceans. These then grew into their cities.
I believe it is called absolute advantage. Hope this helps! Plz mark me as brainliest!!! :)