Answer:
The Pecos Classification was the first scientific attempt to understand how the Anasazi cultures changed over time.
Explanation:
International Magna Carta, extended the revolution in international law ushered in by the United Nations Charter namely, that how a government treats its own citizens is now a matter of legitimate international concern, and not simply a domestic issue.
He helped <span>to develop the scientific method which in summary is.</span>
The presence of various African groups in the Americas led to the development of multiracial and multicultural societies in various parts of the world.
I think its A( I'm not completely sure though )