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>
Spain is the area that was added to Napoleon's Empire.
He obtained the area through the Peninsular War.
There was a chance to rise through hard work.
Hope I helped! :)
This site will probably help you, hope this help.
http://www.shmoop.com/esperanza-rising/marta.html
