Why was controlling Boston important from both the British and continental army?

Based on the information in the chart of the independent in the senate chose to vote with the republicans in the senate the republicans would

Ilive in michigan i went to iowa and killed someone i then went to florida for vacation i got caught for the iowa murder wile kicking back on the beach in miami where will i be tried

Why are both hamilton and jefferson writing to george washington? based on both of these letters, what seems to have been happening in george washington's administration? how can you tell?