Answer:
I think your answer is D. Accurate calendar systems.
Explanation:
Beyond abolishing slavery in the United States, the Civil War was a pivotal event in American history because it reshaped the political landscape and forced the South to develop an entirely new economy.<span />
Answer: B
Explanation: A Gulf War veteran, McVeigh sought revenge against the federal government for the 1993 Waco siege that ended in the deaths of 86 people, many of whom were children, as well as the 1992 Ruby Ridge incident and American foreign policy. He hoped to inspire a revolution against the federal government, and defended the bombing as a legitimate tactic against what he saw as a tyrannical government
