<span>John D. Rockefeller did everything by his own. Vertical integrations means that he employed his own workers, then he constructed barrels to store oil and rent wagons and horses to transport that barrels. So it's called vertical integration. </span>
Explanation:
It refers to a political claim to exclusive control
It also refer to a legal agreement by which another state or states pledge themselves to refrain from interference within the sphere of influence.
Answer:
false
Explanation:
Roosevelt launched the new deal.
The Open Door Notes - sent by U.S. Secretary of State John Hay in 1899 to open up Chinese ports to American merchants. European powers had "spheres of influence" in different port cities throughout China, and the United States wanted access to China's markets.
