Why did the weimar republic collapse?

The Germans did not have any familiarity with democratic government. Coalition governments couldn't decide how to aid Germany, and they were unable to stop domestic issues. The Treaty of Versailles had to be enforced by the Weimar Republic. Some people blamed their government for surrendering to the world powers.

The  pan-african movement  was an "emotional, cultural, psychological and ideological  movement  that began among the  african  dispora in the western hemisphere, for a closer  purpose, so that  african  people could feel secure, attain political, economic as well as psychological power visa vis other races or world regions" .