One factor that contributed to the spread of Progressive ideas during the late 19th century and early 20th century was "<span>D. increasing public awareness of political corruption and business abuses," since the main goal of the Progressives was to eliminate such corruption. </span>
The factor that contributed to the spread of Progressive ideas during the late 19th century and early 20th century is the increasing public awareness of political corruption and business abuses
Explanation:
American society was not totally aware of many factors related to politics and economics before all the social movements such as the Industrial Revolution and the consequent Progressivism, these factors made them notice irregularities that were not going to be accepted anymore, then a change was demanded by people at the beginning of a new Era.
The use of atomic bombs during World War II led to "<span>an arms race between the United States and Soviet Union," since these were the only major countries with the capability to make atomic weapons for quite some time. </span>
Britain had expected the Southern colonies to remain loyal, in part because of their reliance on slavery. Many in the Southern colonies feared that a rebellion against the mother country would also trigger a slave uprising against the planters.