Which concept the infant to understand that other people have intentions?

The way the infant give their attention to that person and the way they look at them is a sign that they tried to understand what the person is doing. This is how they try to observe the things surrounding them and how they interact to things that they find interesting or how they perceive things surrounding them.

C. equitable; undue influence

The president's only official legislative duty is to sign or veto bills.