As time went on, pan-africanism became a philosophy that:

Pan-Africanism is a philosophy that advocates that all peoples of African descent have common interests and should be unified.  It has taken the form of political or cultural movements. Their vision was a united African nation in which the African diaspora from the all parts of the world can live. The first supporters of this way of thinking liked to make emphasis on the common things between Africans and black people in the United States. Pan-Africanist ideas began to circulate in the US in the mid-19th century.

Explanation:

the influence of charles louis de secondant , baton montesquieu.

equal area projections

equal-area projection. a projection in which regions on the earth's surface that are of equal area are represented as equal.