Russia relied heavily on natural resources to fuel post soviet economic growth mainly by utilizing the massive amount of oil reserves that are spread out within the country, since oil continues to be a highly-demanded entity.
The name of the device is the <span>Fessenden oscillator. It was made to allow submarines to communicate through Morse code. This way they could avoid communication being intercepted.</span>
Reagan's time as President was so impactful on the USA that he is often quoted and his administration is often used as the gold standard when people are talking about national policy.