How important to the development of a lasting civilization is the ability to survive?

What would be considered a secondary source about the assasination of abraham lincoln

The service industry in the united states grew in the late 1800s. what was one effect of that growth? the number of people with jobs in factories as unskilled workers decreased. the number of people with jobs in factories as unskilled workers increased. the middle class grew as people took jobs as clerks, lawyers, and teachers. the middle class shrank as people left jobs as clerks, lawyers, and teachers.

In the supply-and-demand schedule shown above, the equilibrium price for cell phones is $25 $100 $200