The correct answer is:
The children are wearing loose clothing. The children are exposed to dangerous machinery. The children are not wearing any protective gear.
These are some of the dangers these child workers were exposed to.

FDR was a progressive Democrat who firmly believed in the power of a strong Central government to solve the problems of the day.
This differed from Coolidge and Hoover who believed in the power of business to solve problems and saw a limited role for government.
It was Hernando Cortes , aka Hernán Cortés
The influenza was a strain that people had no immunity.
The United Nations ultimate goal was peace and to replace the unsuccessful League of Nations.