Answer:
September 17, 1787
Explanation:
Constitution Day - September 17, 2020 | U.S. Constitution. Constitution Day commemorates the formation and signing of the U.S. Constitution by thirty-nine brave men on September 17, 1787, recognizing all who are born in the U.S. or by naturalization, have become citizens.
<span>Urbanization improved the quality of life for the working, middle and elite classes. The citizens were given faster modes of travel and the inventions such as the telephone and electricity helped improve life at home and work and offered more ways to communicate with each other. Many more people moved to big cities due to more job opportunities, which were created due to more hours being available and companies incorporating new technology like electricity and assembly lines. This in turn increased the number of houses and buildings in cities. Agriculture became less important and industrial work became more important for the working class.</span>
As I am thinking you mean "Producers" when you say "Sellers" I am going to go with, Yes. You are correct it is Supply.
(Also the other one is called Demand not price)
The word “imperialism” is widely used as an emotive—and more rarely
as a theoretical—term to denote specific forms of aggressive behavior on
the part of certain states against others; the concept refers primarily
to attempts to establish or retain formal sovereignty over subordinate
political societies, but it is also often equated with the exercise of any form of political control or influence by one political community over another.
hope this helps :)