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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Answer:
This historian would find graphical data that exposed information about the causes of European imperialism during that period of time more useful.
Explanation:
During the 19th century, European imperialism was one of the most important and influential economic factors, dominating much of the world economy. For this reason, a historian who was researching the economic systems in force at that time, would find great use in a graph that presented information about imperialism, mainly information that focused on the causes of imperialism at the end of this century.
The following statements which best describes the massacre at Sand Creek in 1864 is that many of the American Indians who were killed were women and children. The Sand Creek Massacre happened during the American Indian Wars in Colorado when a militia of seven hundred men killed and mutilated seventy to one hundred and sixty-three (mostly women and children) people living in peaceful Native American villages.
