What was the treaty of yokohama?

a) a treaty that opened up some of japan's ports to trade with westerners

b) an agreement that allowed foreigners that lived in china to stay there

c) a treaty that gave japan the rights to trade with puerto rico and guam

d) an agreement between china and japan to close trade to westerners

A) a treaty that opened up some of Japan's ports to trade with Westerners (mainly the US)

hope this helps

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" .

Treated as a slave is cruel and harsh