What did the Concordat of Worms accomplish Check all that apply.

True or false colonies were first established by greece around 700 bc to supply food

Which diagram most accurately explains changes in media over time

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?