Answer:
They are both examples of movement because airports are different types of Movement a.k.a Moving and adapting which is a totally different question anyways the answer is Because they are moving and interacting with the world.
Explanation:
Chronological thinking<span> is at the heart of historical reasoning. Without a strong sense of </span>chronology<span>--of when events occurred and in what temporal order--it is impossible for students to examine relationships among those events or to explain historical causality.
So I would think C</span>