I can't help you with your second question but heres a site that I've found to help you with your 1st one. I hope this helps^-^
https://nationalinterest.org/feature/5-big-lessons-the-first-gulf-war-13536
Below are the two events that happened after the Tiananmen Square Protests:
3. The image of the Tank Man appeared on the front pages of Chinese newspapers.
Tank Man is an unknown protester who opposed the tanks during the protest. He became a symbol for civil disobedience.
4. There were large-scale protests against the incident outside China.
Criticisms from around the world flooded China - Europe, Americas, Australia, Asia. There were also demonstrations by Chinese students in various cities outside China.
I would said the answer is " <span>It allowed for important discoveries such as the circulation of blood through the body" </span>
