Answer:
<u><em>Argo</em></u>
<u><em>Argo, the system of television cameras and sonars that helped find the Titanic, was named by Titanic expedition leader Robert Ballard for the mythical Greek vessel that carried Jason on his quest for the Golden Fleece. In 1985, Argo represented a new generation of exploration vehicles for ocean scientists</em></u>
<u><em>Sonar uses sound to detect objects underwater. As well as using sonar, Ballard searched for the Titanic's trail of debris. He estimated that it would be over 2km long. Ballard had just 12 days to find it, in an area of ocean five times the size of New York</em></u>
Explanation:
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When Greek Won The Persian War
Answer:
These countries create a one-party system to limit what the people can do, while still making them think they have freedom. These systems often only have on candidate as well, keeping the same people in power, but making the people feel less oppressed. These countries want to show themselves as a Democracy, when they are really stuck in an Authoritarian government. This keeps more people in the country an helps boost morale, while the government can still do what it wants.
Explanation:
During the nineteenth century, American farmers had to face different economic problems such as oversupply or poverty. However, they always found a solution to these problems to continue working.
During the early nineteenth century, the United States was a predominantly rural country and a large part of its population belonged to the working class and farmers. Farmers settled on the great plains.
During this time there was a large amount of vacant land, which attracted the attention of different people to establish themselves and claim them as their own, this situation caused an oversupply of agricultural products to be generated in the medium term, which affected all the farmers of this area.
Also, the development of rail lines was an opportunity to transport their products in a faster way. However, the owners of the railways took advantage of this and charged high fees so many poor farmers had to continue using conventional means of transport such as horses that took longer.
Note: This question is incomplete because the text is missing. However, I can answer it based on my prior knowledge.
Carl Gauss is the person who invented the decimal system