Is this a primary or secondary resource? A photograph of workers striking in Seattle in 1919.

i am like 90% sure, so if this isn't right them please don't be man.

it is a primary resource. it is actual full evidence and proof of what happened, not something like a book where its not from the moment it happened.

whats youre

answer; /// i believe that the correct answer is (d)the huang he river valley;