What was another name for the McCarthy era

McCarthyism and or The Red Scare

Explanation:

During the 1950s McCarthy sought upon himself of accusing people in government, writers, and actors with being communists. These blind and rather false accusations caused people to accuse each other with being communists as a power grab tactic. As the accused would likely lose fame and standing within their communities and jobs.

in contrast, the biological controls are self-sustaining, inexpensive and very effective once established. biological control could be used on thousands of golf course acres, improving their biodiversity and quality as wildlife habitat. in the process, the golf industry will be shown to be leaders in an environmental stewardship program of benefit not only to the lands they manage but also to the watersheds in which they exist.

i think it was   tsar alexander ii