Which inventor raced against nikola tesla and others to devised the radio, a system of transmitters and receivers to send messages through the air without wires? a. alexander graham bell b. samuel morse c. thomas edison d. guglielmo marconi

According to us supporters, which was a benefit of purchasing alaska? the territory would be a buffer to invasions from europe. the territory would provide a place for many americans to live. it would increase trade by improving access to the northern pacific. it would increase the united states’ power by creating a bond with russia.