<span>The conference that was held on January 20, 1942 to finalize plans for the Final Solution was known as the "Wannsee Conference," although there were discussions prior to this as well. </span>
Answer:
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Explanation:
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The correct answer should be c. education
Education has always been a big thing even in the times of the colonies. The US had the first university much before many countries worldwide even had high-schools.
The answer is B; the railroad industry.
Answer: A) X-Ray
Explanation: An X-ray would be a transverse wave, which travels at the speed of light. The other examples are all longitudinal, compression waves.