According to irving janis (1972, 1982), groupthink occurs when groups value over
cohesiveness and solidarity;
a realistic consideration of the facts strong leadership;
weak leadership safety;
accuracy as many alternatives as possible; a common goal

Cohesiveness and Solidarity

Explanation:

The event that occurs when members of cohesive group are connected with quickly reaching consensus in their decision making without evaluating or critically analysing the ideas jis called groupthink. This term was given by William H. white and was studied by Irving Janis.

Janis analysed various foreign policy disasters such as Bay of Pigs invasion and Japanese attack on Pearl Harbour and found group cohesiveness to be the main cause for these. He found out that  cohesiveness of the group and Solidarity among the members to be main group properties for these attacks.

- three-quarters or two-thirds..

- "the constitution provides that an amendment may be proposed either by the congress with a two-thirds majority vote in both the house of representatives and the senate or by a constitutional convention called for by two-thirds of the state legislatures."

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when people started to question traditional christian beliefs, they became criminals in the eyes of the church: they were accused of heresy and then, executed. the church held unbelievable power and anyone who tried to defy it or its beliefs, was demonized and persecuted.

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