Explain how the financial system works.

A financial system is a set of institutions, such as banks, insurance companies, and stock exchanges, that permit the exchange of funds. ... Borrowers, lenders, and investors exchange current funds to finance projects, either for consumption or productive investments, and to pursue a return on their financial assets

Explanation:

A financial system is a set of institutions, such as banks, insurance companies, and stock exchanges, that permit the exchange of funds. Borrowers, lenders, and investors exchange current funds to finance projects, either for consumption or productive investments, and to pursue a return on their financial assets.

an interest group is an organization whose members share common concerns, and try to influence government policies that impact those concerns. elected officials frequently complain about the influence of "special interests" on american politics.