True.
"Hughes patented the technology in 1909 and, with partner Walter Sharp, formed the Houston-based Sharp-Hughes Tool Company to manufacture the bit. After Sharp died in 1912, Hughes bought his interest in the company. When he in turn passed away in 1924, Howard Jr., an only child whose mother had died two years earlier, inherited the thriving company and became a millionaire."
The statue of liberty is actually located there<span />
They sparked an interest in new ideas. When the men left their hometown to go fight they learned many new cultures and even brought some traditions home. Therefore that also brought new ideas about how things work.
The Answer is
South Vietnam surrendered after Saigon fell.
