An achievement of the byzantine empire was d) preserving Greek and Roman civilization. Although the Byzantine Empire preserved both of these ancient civilizations, it also created the divide where Eastern and Western Christianity were more developed. This included the separation between people who believed in venerating icons and people who believed it should be banned. There was also a rejection of paganism.
It was : B-refining oil Back then, standard oil managed to gain monopoly within the oil industry by buying all of the existing rival refineries and united it under the standard oil brand. This allow them to dominate the whole oil product that distributed in united states
On June 6, 1944, our naval base in Pearl Harbor was attacked.
Explanation:
"Black War Hawk" or just Black Hawk