The early part of the 20 century
The solid south was an electoral voting blog of southern us. Im not sure about the answer to the next question I hope I helped
Answer:
A
Explanation:
Gettysburg .is the turning point
A historian using the historical thinking skill of chronological thinking might to identify historical causation. Historical thinking skill involves identifying, analyzing, and evaluating the relationships among multiple historical causes and effects. They distinguish these events among coincidence, causation, and correlation<span>. He might also be able to identify patterns of continuity and change over time. He can also relate these patterns with a larger historical process or theme.</span>