Which of the Following Is True of the Webster-Ashburton Treaty

Which of the following is true of the Webster-Ashburton Treaty?

A) The treaty settled the boundary dispute between the United States and Great Britain over the Oregon Country.
B) It resulted in an agreement between the United States and Great Britain on the boundary between Maine and New Brunswick and along the Great Lakes.
C) It resulted in Great Britain relinquishing all claims to Texas.
D) By the treaty, the United States and Great Britain agreed to the westernmost boundary of the Louisiana Purchase.