What are three characteristics of the great wall of china? world’s longest humanmade structure at more than four thousand miles actually constructed from a series of smaller walls that were connected together completed by the qing dynasty built to guard against mongol invaders located along the southern border of china

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" .