Why are headland eroded faster than the land at the......?

Question

Why are headland eroded faster than the land at the land at the end of the inlets and bays? One of these answers are crrect, but which one??

Ships docking in the harbors hit them more often.
They are given the concentrating energy of the wave action.
They are made of softer material.
They are usually hit by several hurricanes yearly.

Answer 1

Its the second answer. Without the headland there could be no safe bays as these protect the harbors.