It helped bring about a cultural change
Duke and duchess depending on individual
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)
Nuclear fear led to a new market for fallout shelters. Home economics classes taught girls how to stock such a shelter with food and supplies in the event of a nuclear attack. The government created official films on shelters, praising their value and advising homeowners on how to use them.
Answer:
I wouod assume you're talking about the colonial victory at Saratoga so for that answer is
The victorybay the battle of Saratoga was the climax in the american reveloution, it was a turning point because it renwed the morale of the American forces and convinced potential European partners, such as France, that the colonies would won the war.