What historical factors prompt yali to ask his question about "cargo" (p. 14) ?

Yali's unique inquiry concerning "white people" having "developed so much cargo" and "black people" having "little load of [they're] claim" is explicit to Yali's involvement with New Guinea. Diamond extends the first inquiry "to a bigger arrangement of complexities" in light of the fact that the example because the pattern is repeated elsewhere in the world.

Explanation:

This book is propelled by simply such a culturally diverse experience as that between Kamal the fringe thief and the Colonel's child of the Guides.

Yali's inquiry' assumes a focal job in Professor Diamond's investigation into 'a short history of everyone throughout the previous 13,000 years', driving him into a wide-going dialog of the historical backdrop of human advancement and decent variety through an investigation of relocation, financial and social adjustment to natural conditions, and innovative dissemination.