Answer:
The Mongol Invasion of Europe. Reports of the Mongol attacks terrified Europe. The Mongols increased their empire using swift and decisive attacks with an armed and disciplined cavalry.
Positive Effects of the Mongols. Although the Mongol invasion of Europe sparked terror and disease, in the long run, it had enormous positive impacts.
Spread of Technology. Within the Pax Mongolica, the sharing of knowledge, information, and cultural identity was encouraged.
Effects of the Mongol Conquest. Before the Mongol Empire, Europeans and Chinese were largely unaware of the other's existence.
Explanation:
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Based on the given information, the journal is a primary source.
<h3>What is a Primary Source? </h3>
This refers to the first-hand account of an event by a person that was physically present and is usually reliable.
Hence, we can see that based on the fact that the journal was published in the 20th century and most importantly, contains original sources of stories, this is a primary source.
Read more about primary sources here:
brainly.com/question/896456
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