In 1918 and 1919, during world war i, sudden outbreaks of influenza (flu)
killed millions of people around the world. what most likely contributed to
this pandemic?
o
o
a. people were afraid to travel because of the dangers of war.
b. global environmental problems were making people ill.
o
c. the movement of soldiers spread the infection from place to
place.
o
d. low standards of sanitation made it easy for germs to spread.

C

Explanation:

because of the terrible diseases these soldiers carry and already fought are being transported to areas that this disease is unknown and therefore the population's immune system has no premeditated way of fighting it

answer: idk

explanation: because i just don't

alliances in ww1 were different from ww2 because the entente in ww1 made up of serbia,russia,france,britan,japan and italy later america  and all allied in a sort of balance of power and too keep germany,austria-hungary,and the ottomans down. russia allied the serbians in order to exert its influence in the balkans while france allied the russians because france was still in dismay and insulted after the defeat to the germans during the unification of germany and britian allied the belgians after the germans invasion of belgium.in ww2 the alliances were in a preemptive attempt to deter any further wars into happening while germany and italy allied since they were insulted and humiliated after the previous war while also sharing a similar ideology of facsim along with japan which all 3 had a want for world domination and agreed to assist one another in the endevours 

explanation: