Answer:
The dropping of atomic bombs
Explanation:
The city's economy and its writers, painters, architects, and philosophers all made Florence a model of Renaissance culture.
Answer:
Seneca Falls Convention.
Explanation:
Lucretia Mott and Elizabeth Cady Stanton organized the first woman's rights conventions at Seneca falls in 1848.
It is through this convention they declared the Declaration of Sentiments; whereby it is stated that "We hold these truths to be self-evident: that all men and women are created equal.”
Hence, in this case, the correct answer is
Seneca Falls Convention.
I think they had in common to develope their populations and "cities" (at their time there aren't real city like nowadays) near the rivers. Also both they had access to good fertile soils