The American Federation of Labor was national federation of labor unions in the U.S. They emerged from a dispute with the Knights of Labor organization. They organized workers in craft unions.
Hm..history questions like this are my weak point but i would probably say the reserve requirement?
The Spanish-American War was an 1898 conflict between the United States and Spain that ended Spanish colonial rule in the Americas and resulted in U.S. acquisition of territories in the western Pacific and Latin America.
The reason why Carnegie Steel was an example of Vertical Integration was that the company controlled every step of steel production and distribution.
<h3>What is vertical integration?</h3>
Vertical integration refers to when a company takes over processes along the chain of production and distribution.
Carnegie Steel controlled every step in the steel production chain which meant that it engaged in vertical integration.
Find out more on veritcal integration at brainly.com/question/19815172.
This is part of an answer someone had to this same question.