Why did U. S. leaders decide to create the Federal Reserve? A. Economic panics showed that the banking system was not stable.
B. The United States needed to have a single type of currency.
C. Small banks requested additional government oversight.
D. State banks needed the power to create their own currencies.​

I think A.Economic panics showed that the banking system was not stable.

Explanation:

Congress developed the Federal Reserve Act to establish economic stability in the United States by introducing a central bank to oversee monetary policy. ... The Federal Reserve was thus given power over the money supply and, by extension, the economy.

A

Step-by-step explanation:

A central bank was needed to oversee monetary policy

it would be:

c.parallelogram.

good luck on your studies! : )

david edward.