100 points the phoenicians built their empire around what skill? what did this lead to for their empire?

Which of these statements describes the relationship between urbanization and the divison of labor during the bronze age?

What is the line drawn on a production possibilities graph called?

The picture below shows president richard nixon and the first lady standing before the great wall of china in 1972. they are smiling - as are the chinese with them. when this picture was shown on american television, americans were aware that it was a historic moment. what are two reasons why this moment was important for both china and the united states?