It started in China made from worms I believe and was considered a luxury item traded in the Indian Ocean trade and Silk Road.
Answer:
They rose by using threats and force against the people. It also impacted people in a negative way because the value of life wasn't satisfying
<span>George Washington was</span>
The stairs at Machu Picchu are also known as the "stairs of death". These stairs are made of large rocks, these stairs are made at the edge of the cliff providing a breath taking view.
<h3 /><h3>What is Stairs?</h3>
Stairs are the steps directed in an inclined position to reach the upper level, they are made for the ease to climb, stairs are now being exchanged with elevators and escalators.
Machu Picchu stairs have 1600 steps, these steps lead the way to Huayna Picchu (a cliff). The highest level is about 2700 meters, these stairs are difficult to climb but still is a tourist destination.
These stairs were made to protect Sapa Inca and the family from invaders these stairs were made, also the city of Machu Picchu was saved by this from the invaders.
Machu Picchu is a city in the country Peru, South America. It is a favorite tourist destination
Learn more about South America at brainly.com/question/27079423
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