Answer:
.
Explanation:
If youre asking how it helped soldiers in ww2: It could have spread to the enemy spreading disease amongst enemy soldiers, most likely killing them after a while.
But if youre asking how it helped cause the war: It could have helped cause the war by all the unrest in the world at the time or people could have immigrated to enemy countries and spread the virus.
(B) The walk around Saxe-Coburg Square
is the key event in story which leads to Holmes' solution of the case.
Compare and contrast
Cause and effect
Description
Biography
Sequence
