Answer: Because the Muslim world was the center of philosophy, science, mathematics and other fields for most of the medieval period, many Arabic ideas and concepts were spread across Europe, and trade and travel through the region made understanding Arabic an essential skill for merchants and travelers alike.
Explanation:
The event was called the Great Purge. Several Soviet officials and high ranking people were arrested during this event. Some were even executed.
Franklin D. Roosevelt
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<span>Open Door Policy (1899/1900) is declaration of principles introduced by the United States (1899, 1900) for the defense of equal freedoms amid nation’s transaction with China and in provision of Chinese regional and directorial honesty. So the answer is E. </span>