It has led to the invasion and occupation of countries suspected of supporting terrorists.
She was the first female to go into space
To discourage a german invansion
Scientific Revolution came in when there are more people who are having discoveries, inventions and findings. It definitely gave the man another perspective of understanding occurrence and relationships among objects. Through Science people were able to determine that there are explanations behind everything.
Answer to question 1:
The "Dark Ages" is a historical periodization traditionally referring to the Middle Ages (c. 5th–15th century) that asserts that a demographic, cultural, and economic deterioration occurred in Western Europe following the decline of the Roman Empire.
Answer to question 3:
Chivalry has changed quite a bit since it appeared in the middle ages. ... In social situations, chivalry is still acceptable. That said, I think it comes down to men and women being courteous to each other rather than men being the only ones practicing courteous acts. A woman should hold the door open for men and women.
I know its not the full answers but this is the best I can do based on the questions.