Answer:
dominant emotion
Step-by-step explanation:
John Lofland, argues that masses tend to show a collective behavior despite they share little knowledge or connections to the people.
Interestingly social psychology has demonstrated for many cases a dominant emotion as an effect that ocurrs while majority perceives and acts in a particular way.
This can be seen in a public demonstration , in social movements, protests.
In strong dominant emotion like protests , people will show social action spontaneously.