Job Recruitment Website - Immigration policy - 1854, the chief of the Indian Sogwamish tribe delivered a touching speech. What's the topic of the speech?

1854, the chief of the Indian Sogwamish tribe delivered a touching speech. What's the topic of the speech?

1854, Indian chief Seattle delivered a famous speech entitled "This land is sacred".

Chief Seattle (1786-1June 7, 866) is the chief of six Indian tribes near the Pacific Ocean in the northwest, and he loves and protects nature. 1854, 18 In February, he gave a speech to a gathering including the territorial governor, white immigrants and about 1000 Indians. ? ?