Answer:
I would say it's D Installation
Because there were messages intercepted from Germany to Mexico, telling Mexico to join the war and attack the United States. I hope this helps :)
For better working conditions for experianced laborors. the knights of labor however wanted better working conditions for both non experienced and experienced laborers, which ultimatley led to their downfall as the experianced laborers looked down on the inexperiienced and joined the american federation instead as they only wanted this for experienced laborers.
The answers are <u>A,</u> <u>C,</u> and lastly, <u>E.</u> Hope this helps out anyone who takes the course and still needs the answers :)