Well first you need to know what Free enterprise is it's the government placing very few restrictions on the types of business activities or ownership of that citizen wants to engage in. so in other words it does the same things that others do
Richard provides a social comparison in the case above. Social comparison is a way of having a determinants of an individual's worth in terms of socially or physically in relation to other people. It could be seen above above as they try to evaluate and compare the relationship and worth of the siblings of Jose.
Nomadic people were hunters and gatherers so resources and animal population were probably a factor in their movement
