Answer:
The Civil Rights Movement is an umbrella term for the many varieties of activism. Despite the abolition of slavery and legal gains for African Americans, racial and freedom was the largest civil rights protest in US history.
Explanation:
I wonder whether there would be also other options, but one very important aspect is the smog: the city center is where many industry-relevant things meet: the factories are all around it, transport, cars... and since it is surrounded by bad air, the air takes longer to dissipate. This is especially visible if the city is in a valley, such as Mexico city foe example.
<span>The French Revolution of 1789, while based on the ever-growing popular Enlightenment ideals put forth by philosophers such as Descartes, Voltaire, and Diderot, ultimately failed because the change in regime created a severe power vacuum. This allowed radicals to seize power and sow chaos within France
Hope this helps!</span>
