Answer:
Revolutionary war
Explanation:
By the middle of the 1600s almost all goods imported into the American colonies came into the colonies through the new England supports. Their relationship with a great Britain was therefore greatly affected by the American revolutionary war.
As a result of the American Revolutionary war, ties were broken between the American colonies and Great Britain which badly affected trade between them.
The gold rush influenced the development of the west
Answer: the first one.
Explanation: extinct volcano means it cant erupt so u dont need to say that
People started realizing that they could stimulate demand and make people want to buy things even though they might not think of them or might not need them. They figured how to use people's psychology against them, and the media was helpful because the media would also earn from this due to ads. This industry seriously began developing in the second half of the 19th century.