Why there was competition between Nikola Tesla and Thomas Edison

During the 1880s, the two fighting virtuosos battled a "Battle of Currents" over what electrical innovation would control the globe, the rotating flow arrangement of Tesla or the contending direct-flow electric force of Edison. Not many discussions get more extraordinary among science geeks than those that liken Nikola Tesla and Thomas Edison.

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congress passed laws allowing for free passage between states.

a plantation economy is an economy based on agricultural mass production, usually of a few commodity crops grown on large farms called plantations. plantation economies rely on the export of cash crops as a source of income.

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