The Technology created for military vehicles was used in developing faster airplanes after world war II.
What kind of technologies were used during World War II?
During the time of World War II, high-tech technologies like radar, penicillin and electronic computers are used. Radar technology plays a  significant role in attacking the enemies and destroying their objects at a distance place.
This high-tech technology later was used in transportation to create faster airplanes to reduce distance. As military vehicles also used high technology to safeguard from enemies.
Therefore, option A is appropriate that states create faster planes by using this technology.
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