I would have to go with "senate" because, senatorial the characteristics of senators so the senate is where you would find these characteristics.
Saratoga- the continental army preserved and won the decimated burgoynes troops, cut off supply routes and Burgoyne never received his promise and desperately needed reinforcements ( found online so change to oun words)
Yorktown-after three weeks of nonstop bombardment birthday and night from artillery Cornwallis surrendered to Washingtonian the field at Yorktown ending the war ( also found online)
The answer is Collet E. Woolman
Virginia has the largest number with a total of 292,627 slaves