A couple of years ago a boat overloaded with refugees from one country set sail by sea for another country on the same continent. The second country refused entry to the boat. Faced with atrocious conditions at home and a lack of supplies to return to their country, almost half of the refugees on the boat leaped into the water, attempting to swim several miles to shore. Most of those who attempted to swim to shore drowned. Describe the actions of these refugees in terms of one of the social theories of motivation.