Answer:
Plant life
Explanation:
John Muir was a researcher of plants.
Answer:
The 369th Infantry Regiment, "Harlem Hellfighters," were a unit made of African Americans (to be PC) and were well known for their ferociousness in battle. They fought in both WW1 and WW2, and they spent the most time in combat in WW1 than any other unit (remember, America joined the war in 1917!)
Their effect on the war effort couldn't be understated, that even the Germans acknowledged them, referring to them as "Höllenkämpfer" (German for Hell Fighters) and earned the nickname "Men of Bronze" by the French (Hommes de Bronze).
Answer:
Correct answer is A. turned over documents proving that Soviets were trying to infiltrate the U.S. government.
Explanation:
Option A is correct because this event created a massive retaliation in the United States, where many people were marked as Communists, sometimes even without evidences.
Venona project was started during WW2 with a goal to decrypt messages that were sent by Soviet intelligence agencies.
McCarran Act was introduced in 1950, with a goal to act against Communism in US.
D is also not correct as many in Hollywood were marked as Communist and there were testimonies against them even on courts.
Appearing to share the peoples concerns.