The Industrial Revolution was the transition to new manufacturing processes in the period from about 1760 to sometime between 1820 and 1840
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The Maya constructed the city of Chichen Itza.
The Maya invented calendar systems that are still used today.
The Inca built rope bridges.
The Maya was a great civilization that existed on the Yucatán Peninsula in Mexico, and some regions of Guatemala and Belice. They built the city of Chichen Itza, where had the impressive Pyramid called "the Castle," and an observatory, because the Mayas were great Astronomers that invented the Maya Calendar called the "Tzolkin," that is still used today.
The Incas were the great prehispanic civilization in South America. They built the monumental city of Machu Pichu in Peru.
Answer: Every Confederate state signed a "Article of Secession" announcing their separation from the Union. Four states took it a step farther. Texas, Mississippi, Georgia, and South Carolina all filed further declarations, known as "Declarations of Causes," explaining their desire to secede from the Union.
Explanation:
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Answer: A
Explanation: I am pretty sure its choice A hope this helps
