How did congress change the boundaries of Washington territory in 1863? Answer choices congress expanded the territory to include more land to the east, congress extended the water boundary to include several islands, congress made the 49th parallel the northern boundary, congress reduced its land area by dividing it into two territories

the correct answers are

Congress reduced its land area by dividing it into two territories.

mining and population growth in the eastern part of the territory

Kaisar Wilhelm I

congress expanded the territory to include more land to the east