Answer:
The deterioration of a country as a whole and affects the laws and rules a country must have constitutionally and if it does not have a contitution this can't be controlled
<span>There were several great successes of medieval Asia that
took the world by surprise. Firstly the printing press was discovered in China
and it did change the total outlook of the world. Algebra was also invented
during this period in the Middle East by such scholars as Muhammad Al-Khwarizmi.
The first novel named “The tale of genii” was written in
Japan. Among the challenges faced, black plague was the major challenge that
spread like fire in China and Middle East. The challenge of the Mongols were
also faced by the people living in this area of Middle East.</span>
"<span>d. It controls the supply of money in the United States" would best describe the role of the Federal Reserve System, since it's goal is to keep the economy growing while keeping inflation around only 2%.</span>