Robert Oppenheimer was the United states physicist who directed the project at Los Alamos that developed the first atomic bomb.
Answer:
The property was granted to George Washington's great-grandfather, John Washington, by King Charles II of England.
The estate was named after British Admiral Edward Vernon.
The Mount Vernon Ladies' Association bought the estate from George Washington's great-grandnephew in 1858.
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Parallelism<span> is the use of components in a </span>sentence<span> that are grammatically the same</span>