1 and 2
The states as parts of the country would be under the jurisdiction of the us government and the president requires approval from congress
While Washington's troops were on their way to Trenton they would go across very frozen lakes and rivers in small boats and had to walk miles upon miles after this. This did pay off though, the rivers essentially trapped the British into having them surrender, along with the high ground the Americans had.
B abstraction is youre answer
1. it stopped the spread of slavery north of the Ohio river
