Which reformer took up the cause of exposing the dangers and disgraceful working conditions of child labor? a. Upton Sinclair

b. Samuel McClure

c. Mother Jones

d. Ida Tarbell

How did rhe transcontinental railroad effected westward migration

Which were the most important issues during the presidential election of 2008? economic downturn and environmental protection two overseas wars and economic downturn two overseas wars and campaign spending environmental protection and campaign spending

Did the west show signs of cultural decline in the 20th century?