What was the importance of obsidian in the Olmec culture?

It was used to make tools.
It was used to create pottery.
It was used as a form of money.
It was used in jaguar sculptures.

The government of country c has passed a law protecting the physical safety of factory workers. this is an example of monetary policy. supply and demand. fiscal policy. regulatory policy.

What was the atlanta race riot of 1906 ?

Describe two reasons that cities developed along rivers during the industrial revolution. for full credit, your response must be at least 2 complete sentences.