Upton Sinclair’s novel The Jungle influenced public opinion to such an extent that a.
Roosevelt persuaded Congress to pass the Pure Food and Drug Act.
b.
many states passed minimum wage laws and maximum hour laws for women.
c.
state legislatures passed mine and factory safety laws and new inspection regulations.
d.
Wilson convinced Congress to pass the Keating-Owen Child Labor Act.

Why were presidents andrew jackson and martin van buren unwilling to annex texas? a. they did not want texas to be admitted to the union as a slave state. b. they feared that the annexation of texas as a slave state would lead to political problems within the union. c. they thought that texas was too large to be admitted to the union as one state. d. they did not believe in the idea of manifest destiny.