To those of the white race who look to the incoming of those of foreign birth and strange tongue and habits for the prosperity of the South, were I permitted, I would repeat what I have said to my own race: "Cast down your
bucket where you are." Cast it down among the eight millions of Negroes whose habits you know, whose fidelity
and love you have tested in days when to have proved treacherous meant the ruin of your fireside. Cast down
your bucket among these people who have without strikes and labor wars tilled your fields, cleared your forests,
builded your railroads and cities, brought forth treasures from the bowels of the earth, just to make possible this
magnificent representation of the progress of the South.
In this statement, I think the message Booker T. Washington is sending is

A

Explanation:

angel island immigration station was an immigration station located in san francisco bay which operated from january 21, 1910 to november 5, 1940,[4] where immigrants entering the united states were detained and interrogated. angel island is an island in san francisco bay. it is currently a state park administered by california state parks and a california historical landmark. the island was originally a fishing and hunting site for coastal miwok indians, then it was a haven for spanish explorer juan manuel de ayala. later, it was developed as a cattle ranch, then, starting with the civil war, the island served as a u.s. army post. during the island's immigration station period, the island held hundreds of thousands of immigrants, the majority from china, japan, india, mexico and the philippines. the detention facility was considered ideal because of its isolated location, making it very easy to control immigrants, contain outbreaks of disease, and enforce the new immigration laws.[5] the station is listed on the national register of historic places under the title angel island, u.s. immigration station, and is a national historic landmark. the station is open to the public as a museum – "a place for reflection and discovery of our shared history as a nation of immigrants”.

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an ethnic enclave is a geographic area with high ethnic concentration,