Technology and African American migration
The Soviets were setting up nuclear missiles in Cuba. This meant that they were now able in theory to launch a nuclear missile directly at large parts of the USA and it was therefore viewed as a threat by the USA. I hope that helps.
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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