There are several reasons experts believe the city of Cahokia disappeared such as:
- It grew too large
- Sanitary system wasn't good and people got sick.
- Inhabitants destroyed the nearby forests to get firewood and without the wood, their city couldn't survive.
- Enemies attacked.
Cahokia was a thriving city that was quite prosperous with their main food being maize which the fair climate allowed them to grow.
Overtime this changed and a drought that lasted for centuries kicked in. It led to conflict and strife in the large settlement as people could not get enough food.
Experts also believe that other problems such as poor sanitation systems and enemies attacking may have also contributed to the inhabitants leaving.
In conclusion, Cahokia was large and thriving but faced many challenges that in the end led to it collapsing.
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Gutenburg's printing press was such an important invention, because before he invented it, people would either write stuff all by hand, or make some stamping system. If Gutenburg hadn't invented the printing press, we wouldn't have printers to print things out!
Extra:
Gutenburg designed the printing press in a town called Strasbourg, France. he built the actual thing in Mainz, Germany.
Unfortunately, you forgot to attach the article. Without the article, we do not what is its content. Only you know it. You neither mention the name of the author.
However, trying to help you, we can comment on the following.
The correct answer is C) To introduce the reader to a famous American
If the author begins this article with a story of George Washington Carver was because he introduced the reader to a famous American.
George Washington Carver (1864-1943) was an African American inventor and researcher who was a professor of the Tuskegee Institute in Alabama. He was the Director of the Agriculture School in the Institute in 1896 after Booker T. Washing had hired him. He did plenty of research on the use of peanuts to produce many products.
The answer is C because its the only guaranteed pro-slavery option.
Answer:
C. He made electricity available to business owners, so businesses
could run at all hours.
Explanation:
The practices of using engines as substitutes for animal and human muscle power and of using machines to produce goods took on a different character after about 1850. Sometimes called the second Industrial Revolution (or the second phase of the Industrial Revolution), this new phase differed from the original in several ways, and marked an important shift in the progress of the revolution.
With the rapid spread of the Industrial Revolution from Great Britain to the United States and Europe came a wave of inventions, some of which were new, many of which simply improved upon existing machines. Advances in science, particularly in chemistry, led to widespread changes, especially in agriculture and medicine. Petroleum became an important source of energy, leading to a new class of mobile machines (notably automobiles and trucks). Electricity was developed into a new means of delivering energy, leading to the introduction of small motors as well as superior lighting for both factories and houses. A new process of stringing together several inventions to create complex systems revolutionized manufacturing, transportation, and communications, and helped to create new business enterprises that were much larger than anything that had come before.
Taken together, these changes accelerated the impact of the Industrial Revolution on society throughout Europe and North America. Whereas everyday life for most people had changed relatively little from 1700 to 1800, it changed profoundly from 1800 to 1900 and beyond.
