ANSWER:
The purpose of the first phrase of the US Constitution is to show that people created the government and that it exists for the people.
Step-by-step explanation:
The government of the US is chosen by the people. The people elect the President of the US by casting their votes. The government is chosen so that it can work for the benefit of the people in all spheres. “We the people” simply means that the people have the power to create as well as destroy the government.