Answer:
D
Explanation:
The Union's victory in the Battle of Gettysburg put a definitive end to Confederate General Robert E. Lee's plan to invade the North
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>
