Giving out Brainliest! I need an answer in 18 minutes! Why did the US government establish Washington Territory in 1853?

A. To meet demands made by settlers.
B. To prevent a British invasion from the north.
C. To help stop Duwamish attacks.
D. To restrict settlement in the region.

I think its A based on my understanding from this text

Explanation:

The November 1852 convention at Monticello brought more focused leadership and a stronger petition to Congress. ... Congress passed the bill creating Washington Territory on March 2, 1853, changing the proposed name of Columbia to Washington to avoid confusion with the federal District of Columbia.In 1853 Congress created the Washington Territory—named for the first president of the United States—and extended it east of the Columbia River to the crest of the Rockies, including parts of present-day Idaho and Montana.

maybe by travelers or gossip