The answer I believe would be B
The American federation labor is a national federation labor and it represented skilled workers in craft unions and became an organization of mostly white men.
Answer: i will help you with 3
Explanation:
for the protection of equal privileges among countries trading with China and in support of Chinese territorial and administrative integrity. The statement was issued in the form of circular notes dispatched by U.S. Secretary of State John Hay to Great Britain, Germany, France, Italy, Japan, and Russia. The Open Door policy was received with almost universal approval in the United States, and for more than 40 years it was a cornerstone of American foreign policy in East Asia.
What's the full question? If you let me know I'll answer it! :)