Answer:
The types of energy used in the United States have changed over time. The change has been driven by advances in technology, energy resource discoveries, energy prices, social pressures and other factors. The only constant is that the amount of energy used has increased steadily over time.
Explanation:
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Poor/slaves - Depending on who is their master, they may have almost no rights to large amounts of rights. If they have a 'horrible' master, they are usually worked to the bone and did not have any 'extras', for example being able to go view games, etc. If they have a 'good' master, they get treated well, and have the 'extras'.
consule- A consul is one of two annually elected chief magistrates of the Roman republic
Empire- Usually is the royal family, or the Caesar family, these usually have their titles passed down through family(?), unless there is a coup, and another family takes it over (which happened often towards the end of the empire)
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B. The Manhattan Project. and the location (Los Alamos NM) was referred to as the Manhattan engineering district