How was louisiana impacted by napoleon’s rise to power in france? it was returned to france by spain because they wanted to avoid a potential war with napoleon. it declined in population when napoleon became emperor and all immigration from france ended. it became a place where people escaped to avoid persecution in france because they opposed napoleon. it was invaded and controlled by french troops after they put down a slave revolt in haiti.

It was returned to France by Spain.

Explanation:

The Treaty of San Idelfonso returned the territory known as Spanish Louisiana to France, but it was signed in absolute secrecy. The terms of the treaty were far better for France than they were for Spain, which received only a much smaller territory in Italy. Moreover, Spain was still nominally in control of Louisiana when Napoleon sold it to the United States just a year later.

a and b because with the other three, they simplify to something else.