gets the attention of the american government, and armstrong said they're not going to go down lane champlain. they're going to continue to fight in northern new york along lake erie and the niagara. so armstrong shifts the american army. he pulls of the 6,000 troops that are here, he pulls 4500 out, and he pulls them out in the last week of august, sends them um the mohawk valley, and then they're going to go by ship to the niagara. all that leaves here is 1500 regulars. these regulars are the people who couldn't make the march. they were the sick, the lame, the lazy, the prisoners in the stock ade, the band is here. so that's what's left behind and that would be what's defending on this road. so when prevost finds out that the american army has left, he starts his attack. he moves those soldiers, fewer than 15,000, to the canadian border, and he crosses the border on the 1st of september, and begins to march south. is the column actually is ten miles long. the artillery doesn't cross the border under the 4th of september. it took four days before they could even move south at all. down this