I dunno the answers to 1 2 and 3, but 4 is Germany, Italy, and Japan, and 5 is poison gad.
C. Ellen’s fiance defeats lochinvar in armed battle
The Sherman Antitrust act was created for that purpose, but it was also supported by the Clayton Antitrust Act which came later on. Roosevelt was known as "Teddy the Trust-Buster" for his strict enforcement of these acts.
He supported it by simply signing the paper of the Indian Removal Act, this was proposed in late February 1830.
Time-study analysis
Computer-controlled robotics,
GPS device,
assembly lines