Debriefing: The term debriefing is defined as the procedure that is being implemented on the participants involved in a psychological experiment or research after the experiment or the research has already been conducted.
The procedure of debriefing involves a semi-structured or structured interview between the participants involved in the research or experiment and the researcher and all the elements being used during the research are discussed with the participants.
In the question above, the statement signifies the debriefing process.
B. Specialize in this is because certain nations have different climates and different types of agriculture and livestock or even metals and rock productions than other nations do.