The correct answer here is the option D.
When Franklin Roosevelt took office the country was fighting the greatest economic crisis in its history known as the Great Depression. Roosevelt's predecessor took more hands of approach to dealing with the problem believing that the economy would fix itself, a major reason he was not re-elected. Roosevelt took more active role in the economy and worked on creating more jobs and solving the problems of the Depression.
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The reason would be poverty. Many women had decided to work in order to support their families. Because of urbanization, many women started were given chances to work in factories and home-based jobs. There was a larger population of woman workers during this time. However, women workers were paid lesser compared to their male counterparts.
A quarter of the band will be in each rehearsal group.