Answer:
Labour
Explanation:
The failure to find alternative sources of Labour
The answer is B. Hope that helped!
People started to use the Silk Road before the period of Renaissance for an exchange of ideas and technology.
<h3>What is the significance of Silk Road?</h3>
Silk Road was an important trade route that connected Southeast Asia, especially India and China, with Europe and the Middle East. It was used for trade of technologies and also for commute by some people.
Hence, option B holds true regarding the use of Silk Road.
Learn more about the Silk Road here:
brainly.com/question/1255481
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Blitzkrieg = a military tactic that uses mobile forces and concentrated fire power in order to shock and disorganize the opposing side
-it was used by Hitler in WWII
