The influenza pandemic of 1918 was A.
Global in its impact, killing about 30 million people worldwide.

B.
A variant of a “swine flu.”

C.
A virus that spread rapidly throughout the soldiers on the front and civilians whose immunities were reduced because of wartime conditions.

D.
All of these are correct.

all of the above (D)

Explanation:

the best description of the camp david accords is that it was the first time an arab nation had officially recognized the nation of israel.

an expansion is one of two basic business cycle phases; the other is contraction. the transition from expansion to contraction is a peak, and the changeover from contraction to expansion is a trough.