Answer:
American and Canadian railroads begin using four continental time zones to end the confusion of dealing with thousands of local times.
Explanation:
Hello there.
<span>Who promised that a resolution of the French Indochina War would be reached by July 21, 1954?
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The Geneva Conference made a resolution of the French Indochina War would be reached by July 21, 1954.
My answer to this is that their is no answer other than the fact that blue = x and red = 17
