18. what connection can be made between World War I and the Spanish Flu of 1918? a. Soldiers from Spain spread the flu across the world
b. Soldiers returning home from the trenches brought the flu with them
c. High death tolls from the flu hastened the end of the war
d. The flu caused Spain to withdraw from the war prematurely

b. Soldiers returning home from the trenches brought the flu with them

Explanation:

the pf text book states the following:

"The outbreak began as the war was ending so, as soldiers returned home, they brought the deadly flu virus with them. "

hope that helps!!

explanation:

7 - to develop an asian ally

11- the red scare

14   the power of military -industrial complex

17 - the economy grew quickly

24 - the separation of church and state was not important