<span>The incident demonstrated how difficult it was for medical personnel to access the Underground. They had a difficult time accessing the location. The train bombing incident was too difficult for an emergency response. The situation gave them a lesson of how to cope with the train incident.</span>
Answer:
The Manhattan Project
Explanation: FDR started the project but was kept under secrecy so no other country would find out creating and testing nuclear weapons.
With more than one ruler the empire would be better suited to protect itself from threats from barbarians and persia
Answer:
the invention of the smart phone has drastically changed the way we go about our lives today, making us able to access anything on the internet, whereas 25 years ago, nobody could've imagined the possibilities.