Answer:
Complex Calendars.
Explanation:
The Mayans were one of the first to create calendars, using observatories to take note of the stars and how they "rotated the earth". Using such, they could determine the approximate time as well as seasons.
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Answer: The Proclamation of Amnesty and Reconstruction was Lincoln's plan to reintegrate the Confederate states back into the Union, granting presidential pardons to all Southerners (except political leaders) who took an oath of future allegiance to the Union.
Explanation:
The Majority whip would be asked to get the party members "in line".