Answer
Banks had too much influence in US politics.
Step-by-step explanation
President, Woodrow Wilson was the US president who led United states through world war I. He was concerned that banks had much influence in United states politics. And that why be brought reforms on the banking industry. In these reforms they old system of banking which was uncontrolled private banks was done away with. He came up with the modern banking industry where by the system was made public. This means that it was under the control of the government.