Africa was stripped of many resources by the Europeans
Answer:
The poisoned substance was mixed with arsenic-free zinc and sulfuric acid, resulting in arsine gas.
The gas was later ignited and decomposed into pure metallic arsenic. This test was highly sensitive and could detect even one-fiftieth of a milligram of arsenic. It was a remarkable discovery, since before that, arsenic was widely used as poison in enormous amounts of murders, impossible to detect and trace.
Answer:
In the nation's growing cities, factory output grew, small businesses flourished, and incomes rose. As the promise of jobs and higher wages attracted more and more people into the cities, the U.S. began to shift to a nation of city dwellers.
Explanation:
Answer:
A
Explanation:
Grover Cleveland was president during 1887 which happens to be the same time as the Dawes act
<span>The spirit of improvement is part of the foundation of the type of personality of those who are innovators, inventors, and those who took part in the industrial revolution. The basic concept of wanting to improve upon ways to accomplish tasks is essential in the forward momentum, knowledge acquisition, and the improvement if society. Going all the way back to when humans had to hunt for survival, the spirit of improvement lead to the development of the spear over the club, the arrow over the spear, the hunting rifle over the arrow and so on and so forth. By improving on concepts and ideas we move society and humans forward. When it came to the industrial revolution, the spirit of innovation led to things like the assembly line which revolutionized the speed at which products were developed. The spirit of improvement was an essential component of the industrial revolution because without the desire to improve our lives we would still be hunting with clubs.</span>
