Which of the following actions are clear examples of an official’s using the rule of law to try to protect the common good? Select all that apply.

A representative suggests using tax money to make safe bike lanes next to the road.
An official uses a military plane to avoid paying for airline tickets.
A senator orders her staff to study the weaknesses of a political opponent.
A mayor signs a law that sets aside ten acres of land for a new public park.
A president sets up a town meeting where citizens’ questions are answered.