Private ownership allows people to decide how they will use their property,
a. as long as their property is put to productive use.
b. as long as they do not invade or damage the property of others.
c. and therefore people can do anything they want with property they own.
d. and, as a result, resources will be directed toward selfish, private goals rather than collective objectives, such as strong economic growth.

The answer is b) as long as they do not invade or damage the property of others.

Explanation:

In other words, you may own a piece of land and work or live on it so long as you do not infringe on the rights of other citizens by damaging their private property or by taking their private property

"social stratification refers to the way people are ranked and ordered in society. in western societies, stratification is primarily seen and understood as a result of socioeconomic status, which produces a hierarchy in which access to resources, and possession of them, increases from the lower to the upper strata"

true because they can bargain