The Mississippian culture adopted the Mexican's the central ceremonial plaza building style.
The Mexico' central ceremonial plaza building style included the pyramidal and oval earth mounds design. The Mississippian culture spreads in the area that called Mississippi now. This culture is the last prehistoric development of culture in North America. This era began in the AD 700.
Your answers are Gana, Mali, and Songhai.
Germany failed to take over Europe
Italy failed to gain land in Europe
Austria-Hungary failed to keep stable, now they don't exist.
Bulgaria failed to gain the land they wanted
Turkey failed to get back at Russia for the *Crimean Wars
*could be a different war not sure
After the World War II and all of the terrors witnessed through it on ethnic and racial basis, the international community was determined that something like that should never happen again, and that all humans are equal and deserve the same rights.
That benefited the African American population in the United States a lot, as they now had the basis and support with which they were able to push through to gain all of the rights they deserve, thus be equal with all of the rest. That led to the formation of multiple organizations for the rights of the African Americans, widespread propaganda, protests, and eventually it gave a positive result, with the African Americans gaining all of the rights they deserved, but also putting the racism aside in the American society.