Two inventions from the World War two are the radar and the sonar, both of which had a huge impact in the war, but also after it, becoming a widely used devices all over the world.
The radar was an invention that was enabling detection of objects in the air. Initially it is was used for detection of planes, as that's where the biggest threat was coming. This device enabled the soldiers and the civilians to be warned about the oncoming danger, but also to be able to respond adequately to the threat.
The sonar was another invention inspired by the war. It had the same basic purpose as the radar, just that it was used for detecting objects in the water. This was a crucial instrument that gave the submarines big advantage in locating the enemy and destroying it, or if not capable of that, being able to move away and avoid it.
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Farmers can face drougt, fame, growing too much crops
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We can say they liked his ideas, as Thomas Jefferson included some of them in the Declaration of Independence. His ideas influenced the ideas of Enlightenment, but also the ideas of Founding Fathers.
Explanation:
When Thomas Jefferson wrote the Declaration of Independence he used the ideas of John Locke. The idea of life and liberty were among those ideas that Jefferson included in the final text. That is one of the main reasons why we can say that John Locke's ideas were definitely liked by American leaders.
The increase in the trade of silver during the period between 1550 and 1800 is due to the fact that silver was started to be used as a standard currency for trade purposes. Even though it was not considered as "legal tender", as it would later be used for this purpose with the introduction "Bimetallism" in the 19th century, it was widely adopted as a tool for trade among the civilizations that existed at the time.
