The word it in “we pulled it” refers to the ?

dr. kings dream speech

explanation:

it was late in the day and hot, and after a long march and an afternoon of speeches about federal legislation, unemployment and racial and social justice, the rev. dr. martin luther king jr. finally stepped to the lectern, in front of the lincoln memorial, to address the crowd of 250,000 gathered on the national mall.

definition was not one of the four methods

i cannot see any of the statement

if its apex this should be the correct answer

war information to be released publicly must first be deemed useless to the enemy