Mccarthyism is a term often used to describe actions similar to those taken by joseph mccarthy during
the senate's anticommunist hearings. based on what you have learned, what is the best definition of mccarthyism?
working hard to eliminate undesirable elements from society
making accusations of treason or disloyalty without proper evidence
creating a fair system of trying individuals accused of a crime

Making accusations of treason or disloyalty without proper evidence.

Explanation:

McCarthyism is the period which lasted from late 1940's till 1950's. This period was called as second Red Scare. The term McCarthyism is used to refer 'Accusing someone or treason without evidence'. During McCarthyism political repression, campaign to spreading fear against communists and espionage was rampant. During this era many Americans were accused as communists.

because he created electricity