Answer:
A. the assembly line
Explanation:
The assembly line was an invention by Henry Ford that aimed to reduce the time that a certain product, in this case a car was produced, this increased the productivity of his company and increased the profit, the assembly line is basically a moving line were different workers did a repetitive task for long periods of time, putting thousands of bolts a day while other tightens them, and other worker puts the tires, or another part of the car.
The Technology created for military vehicles was used in developing faster airplanes after world war II.
<h3>What kind of technologies were used during World War II?</h3>
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.
Learn more about World War II, here:
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Freedom for people
And citizen rights
The opportunity cost is the value of the next best alternative foregone. Every decision necessarily means giving up other options, which all have a value. The opportunity cost is the value one could have derived from using the same resources another way, though this is not always easily quantifiable.
Austria-Hungary was home to many ethnic groups
