Voluntary migration often occurs for economic reasons; the "great migration" of African Americans of Chicago after WWI is an example of this type of movement.

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attacks by the seljuk. a devastating blow to the entire byzantine world was dealt by christian crusaders from the west. the venetians were eager to destroy byzantine power and offered the crusaders money, ships, and part of the spoils of war.

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i am only doing this for the points.

the debate held in 1980 by carter and reagan was decisive for the elections. while carter tried to convince people that reagan was a "war hawk", reagan put all his efforts in showing the necessity to take care about medicare and the social security advantage. this debate reagan to win the elections