How much do people have to know about one another in order to cooperate effectively? Contrast the situation of two family members who are planning to take a vacation together with the situation of...

How much do people have to know about one another in order to cooperate effectively? Contrast the situation of two family members who are planning to take a vacation together with the situation of motorists who are simultaneously using intersecting streets. How are “collisions” avoided in each case? What do you know about the interests, the personality, or the character of the people whose cooperation supplied your breakfast this morning?