<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>
I believe it is the last option... "Its political system cannot be easily changed.
Explanation:
If the price is good the supply is good if good cost than the supply increases
"<span>Voters of a state or territory will vote on the slave issue, and it will be included in their state constitution" would be the best option, since popular sovereignty means that the people choose directly on certain issues--in this case slavery. </span>
