Question

what is the offer made by white chief​

Answer 1

The offer made in Chief Seattle's Speech was that the white will give a little land for the natives to live and they will allow them to live peacefully.

Answer 2

The white chief 'Isaac Stevens' wishes to buy the land of native/Red Indians. He says that he will let the Natives live peacefully and will provide enough space to them. Seattle takes it as just, kind, and generous offer as the White Chief is even ready to protect them from foreign attacks, and will provide them security.