It impacted the the Americans because the French wanted to help with revolution and gain their independence.
The southern Manifesto was created to counter the Brown vs Board of Education ruiling
<span>After giving a verbal warning, which was ignored, he mobilized the nation's military and sent them towards Cuba...nuclear armed. For those who aren't aware of it today; US orders with atomic weapons was always...FIRST STRIKE!</span>
We know everything from history and prehistory
An advantage is that it takes way less time to do it than to create a formal treaty since the President would not need consent from the congress for an executive agreement. A formal treaty can, however, last longer because it is more difficult to cancel, so if it's good, then it is also safer for it to be formal.