Territorial Acquisition—this term simply means land that taken over by a country.
Since the 1950s, the USA has had sanctions against Cuba, being enforced mainly by 6 statutes, the last one being passed in the year 2000. The Cuban government itself believes that the embargo has cost Cuba $753.69 billion USD.
He was a teacher to deaf people and his wife was deaf and this idea that someone can't hear gave him the idea of creating a machine that could help you talk to those far away that couldn't hear you.