<span>The Mainstream jazz form that relied heavily on arrangement is </span>a Big Band. It dominated jazz in the early 1940s. A big band<span> is a type of </span>musical group that usually consists of ten or more musicians with four sections, namely, trumpets, saxophones<span>,</span><span> </span>trombones<span>, and a </span>rhythm section. Big Band is also used to describe a genre of music.
Herodotus is the correct answer from my many sources
That is an example of a 4/4 measure with 8 beats.
The social problem that The Jungle by Upton Sinclair described was B.) THE LIVING AND WORKING CONDITIONS IN CHICAGO'S STOCKYARD.
Not only in the stockyard but also in the meat packing factories.
The story is about how a family intent on pursuing their American Dream was not able to do so because they became victims of corruption, wage slavery, and oppression by the capitalists in Packingtown.