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Because people tend to move (migrate) to avoid the conflict, so with no war there was little movement of people. When war came and countries were invaded populations started to move to avoid the conflict; or the invading military forces. This is how you tend to have more immigrants during a conflict.
What else can I help you with?
Why did they invent the first wheel?
Without a weel you wouldn't have cars. And if there werent any cars - what should we do with all the oil in the world?!?!?!
What are the questions asked in the legal inspection at Ellis Island?
They werent any
Why were polar bears extinct in the first place?
They werent, or there wouldn't be any now.
What song is NOT a hit for the Jonas Brothers?
there werent any non- good songs
What were the changes and continuities of the gender systems in the post classical period?
there werent any
What were the Complaints against Louis XVI and Marie Antoinette?
there werent any they were married
Were some animals coldblooded in prehistoric times?
no there werent any coldblooded animals as it was to hot.
Did Demi Lovato went to Grammy 2011?
I dont think so... There werent any pics of her
What do the Snowmen do in the Wizard of Oz?
there were no snomen in the wizard of oz
Is there any countries in the world that start with an x?
No.
Would Australia have been as successful in World War 2 if the women hadn't helped out on the home front?
if their werent any women Australia would lose the war thanks to the nurses they won
What good news were learned on July 26 1943 in the book anne frank?
that werent any air raids or any bombings?
