Which of the following provides the least valid support for the theory that the frontier served as a “safety valve” for American social discontent and economic conflict?
A) Western cities became places of opportunity for failed farmers and easterners alike.
B) Eastern city dwellers headed west to get free homesteads during depressions.
C) Farmers frequently migrated after earning a profit from the sale of land.
D) The possibility of westward migration encouraged eastern employers to pay higher wages.
E) Free western land attracted many immigrant farmers who might have crowded urban job markets.
A) Western cities became places of opportunity for failed farmers and easterners alike.
B) Eastern city dwellers headed west to get free homesteads during depressions.
C) Farmers frequently migrated after earning a profit from the sale of land.
D) The possibility of westward migration encouraged eastern employers to pay higher wages.
E) Free western land attracted many immigrant farmers who might have crowded urban job markets.