What served as a cultural span between the fallen Roman Empire and future European generations? A. the Christian Church preserved the ideas, knowledge and technology of Rome
B. the Islamic faith preserved the language of Rome
C. immigration and hereditary awareness
D. merchants continued to trade with both the East and the West

i am sure the answer is d

ww1 weapons: tank. tanks were used for the first time in the first world war at the battle of the somme. they were developed to cope with the conditions on the western front. the first tank was called 'little willie' and needed a crew of 3.

a. poison gas was sprayed over battlefields by airplanes to weaken enemy positions before major attacks.