The printing press
The invention of the printing press was a blessing in disguise to the Renaissance ideas, arts and classical works. It basically led to mass productions of literary works, and the dissemination of knowledge was hence revolutionized.
Answer:
Limits food, medicine production
As the world's population continues to grow, competition for land and water resources to produce food, energy and housing is fierce. We need a wide variety of animal and plant life for adequate human nutrition so that populations are neither malnourished nor obese.
Explanation:
Well no one city state won, the Peloponnesian League did, but it was led by Sparta, so that would be the best bet. As for the event most responsible for the victory, Sparta gained the support of the Persian empire, which allowed Sparta to raise a large fleet to challenge Athens.
I believe the answer is A