Government in the Middle Ages - Feudalism
The prevailing system of government in the Middle Ages was feudalism. Though the actual term “feudalism” was not used during the Middle Ages, what we now recognize as a feudalist system of government was in control in Medieval Europe. Feudalism was a way for the Kings and upper nobility to keep control over the serfs and peasants.
Definition
There is no universally accepted modern day definition of feudalism. The word “feudal” was coined in the 17th century, some 200 years after the end of feudalism in Europe. The term “feudalism” was coined later still, in the 19th century.
After the publication of Elizabeth A. R. Brown’s The Tyranny of a Construct, many scholars have found the term “feudalism” troubling and have wanted to drop it, not just as the title of government in the middle ages, but as a term altogether.
Feudalism is mainly used in discourse today as a comparison or analogical term applied to governmental structures in history. This is known as “semi-feudal.” The term has also been brought up in discussions of non-Western societies today whose governments resemble the feudal system in medieval Europe, but this use of the term is often deemed inappropriate.
I’m not writing a four paragraph essay but I will give u an idea. The golden age and Han China were similar because they influenced the society positively. People gained a lot from the golden age.
The answe to your question id B
The answer to this question is A. Jet streams
Jet streams are located near the altitude of the upper troposphere. It's a movement of wind that travels from one side of the planet hemisphere to another. The movement of jet streams will bring up different temperature of air which could influence the weather that exist in certain regions.