Even though the British governors' military duties kept them mostly on the British frontier they spent the winter months in london, the most convenient city from which to reach any part of Britain or the continental Empire
which가 의미하는게 british인거 같긴 한데요..
관계대명사 절이아고 보자니 뒤에 to가 나오면서 동사가 없구요
지시대명사로 보자니 that말고 왜 which를 섰는지 잘 모르겠어요ㅜㅠ