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Combine the expressions. (Assume the variables are nonnegative numbers.)
Jack Johnson
Jack Johnson was the first African American world heavyweight boxing champion, known for his groundbreaking career and challenges to racial barriers in the early 20th century.
Federal Reserve Act
A law enacted in 1913 that established the Federal Reserve System, which is the central banking system of the United States, designed to provide the country with a safer, more flexible, and more stable monetary and financial system.
Central Banking System
The institution that manages a country's currency supply, monetary policy, and financial institutions, usually aiming to ensure economic stability.
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