The County unit system. See the link below that will take you to that.
If one of the answers is machines then that is the answer
The correct matching are as follow:
1. HEARING: Listen to various experts about the bill, both supporters and opponents of the bill.
2. OVERRIDE: Two-thirds majority vote needed.
3.FLOOR ACTION: Activity concerning a bill which may include debates and compromise.
4. IN SESSION: The time when congress is active and members are present, fulfilling their respective duties.
The support is there because they do not use a racist meaning they use it as a tribute to Chief Osceola.
Explanation: