<span>tough power politics with no room for idealism, "the enemy of my enemy is my friend"</span>
The Hellenistic Erasistratus discovered the heart was the pump to push blood through the arteries.
Aristarchus developed the theory that the sun was the center of the universe.
Euclid wrote the basic geometry book, Elements, that was used for 2000 years.
Hero of Alexandria devised the first steam engine although he considered it merely a toy.
Answer:
The main historical circumstance that has led to the infodemic related to current pandemic is that information technology, the internet, and social media, have spread so fast to a majority of the world population, that all kinds of information, from scientifically-backed claims, to pseudoscience or bogus claims, can reach a worldwide audience in very brief periods of time.
Because a large number of people do not have enough critical thinking skills, or only interact online with people that hold the same views that they do, misinformation can spread easily, and lead to the creation of conspiracy theories with millions of followers.
Answer:
Meriwether Lewis - he was the leader of the expedition, and he had an enormous responsibility to explore the recently acquired territories of Louisiana. Because of his appointment by President Thomas Jefferson, Lewis was anxious and worried if the attempt would fail.
Wiliam Clark - he was an explorer, and he was appointed by Lewis because of his experience to deal with the native people. Clark was not an amateur, but the anxiety to explore a brand new territory and the complex relations with the natives were not a surprise.
Sacajawea - she was a native American and the guide and interpreter of the expedition. She was cheerful to help Lewis e Clark, especially with the possibility to increase the presence and the contribution of the Native Americans in the development of the country.
York - an African American explorer, first enslaved by Clark. Because of his strength, he was responsible for the heavy labor of the expedition.
Explanation:
It was unpopular because output trade decreased by 75% and income trade by 50%. In other words...It hurt American farmers and merchants since they lost money
