Below are the choices for the above question, and the answer is letter A.
A) It made additional food sources available.
B) It allowed for smaller body size.
C) It was the first stage in the development of a bony skull.
<span>D) It increased the surface area for respiration and feeding</span>
Answer:
The AFL was a formal federation of labor unions whereas the Knights of Labor was much more a secretive type. One of the main differences between the Knights of Labor and the American Federation of Labor is that the former one was more radical.
Explanation:
