Step 1: Break down the maxim.
Salus populi suprema lex is a Latin phrase used in law and governance.
Step 2: Explain its meaning.
It means the welfare of the people is the supreme law. Public good comes first.
Step 3: See how it is used.
It justifies the state stepping in to protect public safety and welfare.
Step 4: Match the option.
The right fit is state welfare priority.
Answer: State welfare priority (Option 2).