Answer:
April 12, 1861 – April 9, 1865
Explanation:
it lasted 4 years
Answer:
False
Explanation:
The Olmec civilization was prevalent during the Stone Age, so they mainly used basic materials to make their tools such as stones and wood. Obsidian was not abundant in their area, but it was sometimes available. However, it was not the main material used for their tools.
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the U.S. government to process the increasing number of immigrants.