In which form of government does the national executive (President) and state executive (Governor) each have the power to enforce the law?

In 1958, the aarp was organized to promote

Describe the difference between absolute and relative chronologies. if you were describing a series of events in your life, how could you describe them in two ways?

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?