What did booker t washington think he should do that would help his race

Washington chose to concentrate on what blacks could accomplish by focusing on learning industrial skills; he believed this would help his race secure economic self-reliance.

The sentence needs a descriptor of exactly "what" will happen at gurley and marina. in this case, it is the light at the intersection turning green. in this case, the sentence could be rewritten as "the light at the intersection of gurley and montezuma will turn green exactly three seconds after the light at the intersection of gurley and marina."