How did American settlement in the Oregon Country change starting in the 1840s?(1 point)

Responses

A. Fewer settlers came as the California Gold Rush drew most settlers.
A. Fewer settlers came as the California Gold Rush drew most settlers.

B. As the British established control over the region, fewer Americans came.
B. As the British established control over the region, fewer Americans came.

C. Disease and conflict with Native Americans made settlement more difficult.
C. Disease and conflict with Native Americans made settlement more difficult.

D. Missionaries and settlers joined the fur traders who went there in earlier years.

D. Missionaries and settlers joined the fur traders who went there in earlier years.