Answer:
A. Better jobs in the north
Explanation:
"pull" factors are associated with Better conditions in a said area. A large influence to pull African Americans to the North was the media. Newspapers such as the Chicago Defender, the Pittsburgh Courier and the NAACP's Crisis magazine published editorials that encouraged blacks to abandon the South for greater economic prosperity, and political and social freedom in the North.
The main goals of new technology is to expand reach, ease of production, and make advancements in certain fields.
I believe the answer is: Core
A nations is considered as a core of world's economic system if every economic decisions that made by that country would most likely set up the economic trend for the rest of the world. Other example of nations that considered as a 'core' are: England, China, Russia, and Germany
