The Answer Is Decreased And Increased (In That Order)
Hope This Helps!
Social Darwinism most heavily affected the US government's relationship to big business during the late 1800s, coined by Mark Twain as "the Gilded Age." The theory affected this relationship by convincing (or allowing politicians to convince themselves) that only the strongest will survive and thus the government operated under a <em>laissez-faire </em>system (French for "hands off"). The government felt it should not regulate or weigh in on business issues and instead let businesses conduct affairs amongst themselves; however, this led to the creation of large monopolies, the formation of a moneyed elite still with us today, and the creation of the now huge wealth gap between the richest and poorest Americans.
President Theodore Roosevelt thought that the sinking of Maine was done by the Spanish fleet in 1898 February 15th.
He thought that if US doesnt fight back, they are no better than cowards.
He then ordered George Dewey to attack the Spanish.
But later realizing the Maine was sunk by a mine.
Basically this war is a revenge done by the Americans for their pride and the battleship Maine
If the question is asking you all except which, the answer is "people fled the urban centers because they had become too crowded and unsanitary"
Uncle toms cabin i am pretty sure