Who was hiram bingham? a. a harvard-trained archaeologist who first explored the maya ruins at tikal b. a yale-trained explorer who first discovered the lost aztec city of tenochtitlán c. a harvard-trained archaeologist who first uncovered the lost inca city of machu picchu

C. a Harvard-trained archaeologist who first uncovered the lost Inca city of Machu Picchu

Hiram Bingham was an American explorer and archaeologist who studied the Inca city of Machu Picchu. He organized an expedition and departed to Peru in 1911 to uncover Vilcabamba, the mythical Inca city, which Bingham believed it was Machu Picchu.  

In 1912 his expedition excavated the Inca city of Machu Picchu, although Bingham continued speculating about Vilcabamba and other sites which were more similar to the lost city.

your answer is

relations between the soviet union and the united states were driven by a complex interplay of ideological, political, and economic factors, which led to shifts between cautious cooperation and often bitter superpower rivalry over the years. the distinct differences in the political systems of the two countries often prevented them from reaching a mutual understanding on key policy issues and even, as in the case of the cuban missile crisis, brought them to the brink of war.

the united states government was initially hostile to the soviet leaders for taking russia out of world war i and was opposed to a state ideologically based on communism. although the united states embarked on a famine relief program in the soviet union in the early 1920s and american businessmen established commercial ties there during the period of the new economic policy (1921–29), the two countries did not establish diplomatic relations until 1933. by that time, the totalitarian nature of joseph stalin's regime presented an insurmountable obstacle to friendly relations with the west. although world war ii brought the two countries into alliance, based on the common aim of defeating nazi germany, the soviet union's aggressive, antidemocratic policy toward eastern europe had created tensions even before the war ended.

i think that it would be tenth of the first