<span>Technological advancement.
With the likes of social media platforms like tweeter and facebook and specialist tech websites like techcrunch. The news of a new product will always spread virally especially if the product serves a niche purpose and it's relevant to solve a particular need that the market have been wanting for a long time. So, with improved technology that we have today, the news of new technology spreads easily.</span>
Answer:
If they didn't use air blockade then the people in Berlin could not have escaped from the Soviet blockade.
Explanation:
I took the test and got this question right
It’s B