The name of the device is the <span>Fessenden oscillator. It was made to allow submarines to communicate through Morse code. This way they could avoid communication being intercepted.</span>
Answer:
The government could take away freedoms
C. How can I be a slave in a land where slavery does not exist?
In the case of Dred Scott, he was brought by his owner to the north. When there, he sued for his freedom, claiming that now that they were in a free state, his owner did not have the right to still 'own' him, since it was illegal in the state. However, the judge ruled that property continued to stay as property regardless of where the property is located at.
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Answer: A. Americans were being held hostage by terrorists in Iran.
