Salt is gradually reduced in processed foods and in restaurant menus over the course of a decade. Which of the following public health strategies best describes this approach?

Group of answer choices

Improving the average$$focusing on the entire population

Narrowing the spread$$reducing high$-$risk groups by increasing the risk for low$-$risk groups

None of these is correct.

Reducing high risk$$focusing on groups at highest risk to reduce their risk, leaving others unchanged