In 1966, China's Communist leader Mao Zedong launched what became known as the Cultural Revolution in order to reassert his authority over the Chinese government.
It depends on what you're referencing it to. the domino theory, in one historical aspect, was referenced during the Vietnam war. It was meant to say that if the US lost Vietnam to the communists, then countries like Cambodia, Burma, and eventually India would fall to the communists.
Answer:
<h3>d. extraneous.</h3>
Explanation:
Extraneous variables are variables which occur unintentionally while doing a research. When a researcher tries to find if an independent variable has an effect on a dependent variable, they may be chances that unexpected variable might occur which may affect the results of the research.
Here, the researcher who measured aggressive responses by people when exposed to violent and non-violent movies did not take into account the room temperature.
The room temperature may act as an extraneous variable which may have an effect on the result of his experiment.