Who, What, When, Where, And Why. I Believe
Sandra is in the stage of "late formal operational thought".
The formal operational stage is the fourth and last phase of Jean Piaget's hypothesis of cognitive development. Now being developed, thinking turns out to be substantially more modern and progressed. Children can consider dynamic and hypothetical ideas and utilize rationale to concoct inventive answers for issues.
Soninke People founded Ghana in the 5th century
Mongols gained control of China 1279
Mansa Musa became emperor 1307
Ali Ber became king in 1464
Fall of Ming in 1618
I hope this helps
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