Because they didn't have phones or computers back then to type on or call people so they had to write everything down
100% America because WW2 not only took us out of the great depression, it also stabilized the economy, made us a world power, and we suffered no homeland damages in the war effort.
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Answer:
In this film the government was trying to tell the people what to do if an atomic bomb was to strike us. At this time they were going through the Korean War so they were probably worried about the suprise or chance of an attack. So they made this video to show the procedure to teach the population what to do if they were hit with an atomic bomb.
Explanation:
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South Carolina seceded from the union because Abraham Lincoln was elected president.