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.
<span>He refused to accept the secession of states from the Union.</span>
Answer:
African Coast
Explanation: The first Europeans to enter Southern Africa were the Portuguese, who from the 15th century edged their way around the African coast in the hope of outflanking Islam, finding a sea route to the riches of India, and discovering additional sources of food.
Answer:
The colonies from the South were: Virginia, North Carolina, South Carolina, Georgia, and Maryland.
