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Across 2. the process of concentrating on and becoming expert in a particular subject or skill. 4. the economic system in which private businesses and individuals control the means of production and use them to earn profits 5. someone who starts a business, often taking on significant financial risk 6. best known for inventing the first practical single-wire telegraph and developing Morse code

Down 1. a development in which people bought and sold goods rather than making them for their own use 3. a device for sending messages from a distance along a wire