How did the panama canal exemplify america's power of technology?

Which of the following best describes the geography of oklahoma? a. extreme elevation differences b. varied ecological regions c. limited, mountainous geography d. flat rolling hills to below sea level areas

After early colonial losses to the british in new york, a.general washington withdrew his troops to pennsylvania. b.the colonies ratified the declaration of independence. c.the continental army set up headquarters at fort lee. d.general washington set up headquarters in new jersey.

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?