Device used to determine the altitude of the sun or other heavenly bodies A.
Compass
B.
Astrolabe
C.
Ruler
D.
Binoculars

john f. kennedy purpose was to make his argument a strong appeal to emotion in order to make an impact and connection to american citizens. he want to achieve peace by telling the citizens they shouldn't be afraid of other nations.

explanation:

the group i'm selecting: greeks.

a first group of greek immigrants came to the us in the 1850s. the second group came to america starting in the 1890s due to economic opportunities they didn't have back in their home caused by the hardships of ottoman rule. greek immigration was 90% male, many of them expected to work and return to greece after earning enough capital, but ultimately had to remain in the us after the greek genocide.

independent innovation during the abbasid caliphate