Answer:Upton Sinclair was a famous novelist and social crusader from California, who pioneered the kind of journalism known as "muckraking." His best-known novel was "The Jungle" which was an expose of the appalling and unsanitary conditions in the meat-packing industry.
Explanation:
Slang is the name for words and expressions from a specific time
B.)The power to veto proposed federal legislation
A mutation that happens only on one point of the gene
Andrew Carnige.... He helped steel a major industry
