In order to answer the question, we must realize that the governments of the last 25 years have come to understand that the population of our native peoples has increased to the extent that their numbers today are probably much larger than when the Europeans first arrived on the continent.
The governments of the last 25 years learned to understand natives of Africa.
( z1 learn :ARG0 ( z2 government-organization :ARG0-of ( z3 govern ) :time ( z4 before :op ( z5 now ) :duration ( z6 temporal-quantity :quant 25 :unit ( z7 year ) ) ) ) :ARG1 ( z8 understand :ARG0 z2 :ARG1 ( z9 native :mod ( z10 continent :name ( z11 name :op "Africa" ) ) ) ) )