Which of the following is a reason why plazas are often considered the heart of a town or city?
(a) they are meeting places for the people of the town.
(b) they are the business and commercial center of the town.
(c)they often include recreational and sports facilities.
(d) they promote the local culture and tradition through arts and crafts.

Not all members of the radio audience of orson welles' war of the worlds broadcast panicked immediately. indeed, some didn't panic until they looked out of the window and saw empty streets; others didn't panic until they saw streets full of traffic. it was after checking out the situation that these citizens decided that the martians had indeed invaded earth. this example illustrates that contagion can result when people look to others for the interpretation of ambiguous situations . can result when cultural norms reinforce people's most likely responses. occurs primarily because humans are by nature irrational creatures. is especially likely when people are motivated to make independent decisions.