I just want to clear some stuff up.
Nonetheless, without them the British would very likely have successfully put down the rebellion.
The actual french troops and ships stepped in when the battle was damn near over.
The only thing that France actually did (and without this we would have lost) was to hire a Prussian Military Genius to teach us how to beat Britain. Without this single event happening, I can easily say we would have lost.
The French just did not have the tactics or organization or logistics required to handle Germany in WW1
Not quite, the French and the british were holding their own against germany. The problem was that germany defeated Russia on the east front, and then shipped the troops as quickly as possible over to the west front.
So the allies (sub america) are in a stalemate with germany. No one is really getting anywhere. Germany was about to bring in a crapload more troops, which would have broken the stalemate in their favor.
But america comes in and gets to the front lines just before the East Front German troops did. Without the american troops being on the front lines, I can easily say that germany would have won.