Herbert Hoover, who in World War I served as head of the U.S. Food Administration and became know for his humanitarian efforts in Belgium during the war.
The women had to live in harsh conditions in Fort union.
Explanation:
In general, in the time of mass migration women have a much harder time trying to migrate or in the middle too.
Often a woman migrating without men will be subject to atrocities against her.
They were often more poor and in general had less prospects to look forward to in their new nation too.
They had no opportunity of getting a job and feeding themselves.
Many had to find suitors to marry and more still were pushed into prostitution or extreme poverty,
The west side of Europe<span />
You must be talking about the assassination of Archduke Franz Ferdinand of Austria. This was an event which triggered the start of WWI.