Britain
The legal tradition came from Britain
Answer:
election
Explanation:
In a democracy, people vote to select/elect the ones to speak on their behalf and make decisions. These representatives debate and adopt laws for example at municipal, state and federal levels.
Once the person you elected based on the promises made is in position, you can only hope they'll respect their word and do what they said they would.
If they don't do their job properly, they risk not being re-elected next time around.
The main reason why Alexis de Tocqueville traveled to the united states was to observe American democracy in action, and to take note of what worked and what didn't, as many European countries were going through democratic revolutions of their own.
So, the third one.