"My enemies enemy is my friend"; this affected both WWII and the Cold War. Because of this, the U.S. supported a number of harsh dictatorships.
Answer:
Radar now allowed meteorologists to view and display severe weather systems as well. This increased the accuracy and timing of weather watches and warnings. We were now able to give people advanced warning on Thunderstorms and tornadoes like we never even imagined
Explanation:
The Han dynasty created paper-making. This is significant in how people communicate today.
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