Enron's complex financial statements were confusing to shareholders and analysts. Its complex business model and unethical practices required that the company use limitations to misrepresents earnings and modify the balance sheet to indicate favorable performance. the combination of these issues later resulted to bankruptcy.
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.
The Telegraph it made the details of battles up to the minute
Number 1: A
Number 2: C
Number 3: A
I don't know for sure if this is right!
Hope I helped! :)