Because of the discovery of gold in San Francisco in 1848, many people began moving west to search for wealth and fame. The United States was discovering many things underground...gold, silver, and oil. These were some of the natural resources the United States had at the end of the 1800s.
B. He improved the steam engine, allowing it to be used in many
industries
Explanation:
- The first steam engine was built in 1698, and by the time Watt was born, the machines, perfected by Thomas Newcomen, were already pumping water from mines throughout the country.
- Sometime around 1764, Watt was given a model of the Newcomen machine to repair it.
- Realizing that it was impossible to repair her, he began to work to improve it.
- He added a separate condensation chamber that prevented excessive steam loss. He patented a new, improved model of a steam engine in 1769.
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There was a need for cheaper routes along the Mediterranean and the east was becoming tumultuous.
Answer:
After the accident, NASA reduced the amount of flammable Velcro in the crew cabin, and tested many of the capsule's materials for flammability. Now, as a result of the lessons learned from Apollo 1, many new materials have been developed for spaceflight with fire safety in mind.
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The Europeans were interest in Africa for two main reasons, slaves and resources. They needed the west African coastline for slave trading since that's where all the slaves were taken by their captors to be sold, and they needed to go deeper into the continent to get natural resources. Central and Southern central Africa were places with things like Gold, but they also needed the subsaharan area for things like Ivory from elephants. They were also looking for things like diamonds.
The borders were created without any regards for people living there which meant that tribes would often be separated and clustered with other tribes that didn't have their cultural beliefs, or didn't even speak the same language. This caused a lot of civil wars because after the colonization, the borders remained, so different ethnic tribes would fight for power over the other tribes.
