The most significant contributionof the shang dynasty was

The shang dynasty has a few notable contributions to history, the greatest being writing. The shang dynasty has also contributed the progress of making bronze and creating horse drawn chariots.

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" .