The main purpose of the federal reserve act of 1913 was to establish an alternative to commercial banks. regulate banks' mortgage-lending policies. established a new system for creating currency. oversee and regulate commercial banks.

A. establish an alternative to commercial banks.

Explanation:

The main purpose of the Federal Reserve Act of 1913 was to establish an alternative to commercial banks regulate banks mortgage lending policies establish a distribution system for currency oversee and regulate commercial banks

a, both were musicians during the jazz age

d) post-world war i