Ameliorate the XYZ Affair

Directions: the sentence below is missing two commas. There are also several proper nouns that need to be capitalized. The suggested correction is at the bottom of the page.

The XYZ Affair was a diplomatic episode in 1797 and 1798 early in the administration of John Adams involving a confrontation between the united states and Republican france that led to an undeclared war called the Quasi-War.

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suggested correction: 
The XYZ Affair was a diplomatic episode in 1797 and 1798, early in the administration of John Adams, involving a confrontation between the United States and Republican France that led to an undeclared war called the Quasi-War.