Europe was a major source of migrants because of the diminishing returns for the middle class in the mainland.
Explanation:
Europe had been colonizing new lands throughout the century and the condition at the home had been worsening for the middle class who sometimes found it better off to either move to a colony or to switch to another nation.
Thus, mass migrations happened especially towards the New World.
This was also the time of migrations to Australia New Zealand and other nations that were settled by Europeans who were in search of a better life.
The answers and explanation will be attached in the file below.
Situational influences, i think
There are of course exceptions to this rule - a pentagonal County Route marker isn't (typically) a greater threat than a standard square route marker, and even though they have only 3 sides, the YIELD and No Passing Zone signs are still rather important (and the pennant shape of the NPZ sign serves as a sort of "get ...
