Examine the poster once more. What tools show up on the flag. What do they most likely represent?

A hammer and a wrench.  Usually, those two are used together  to represent the need to improve something or that you are working on,a project. They also represent the work of people

Explanation:

pan-africanism or pan-africanism is a political, philosophical, cultural and social movement that promotes african twinning, the defense of the rights of african people and the unity of africa under a single sovereign state, for all africans, both africa as of the african diasporas.

it refers to race, i am pretty sure this was a popular term in nazi germany or something.