What type of data assists in the study of population demography?
a. statistical data
b. scientific data
c. qualitative data
d. systematic data

Statistical data.

Explanation:

statistical data is the , the data acquired from the rigorous scientific exercise of ,

Data collection

Data intepretation

Data analysis

Data  validation.

Through this process, data is acquired on random sampling , collection of material like fossils and many other procedures.

The data is later analysed and interpreated , where many activities may be involved , such as physical obsevations and even labolatory experiments.

what is the other part to the question

a. he allowed the people he conquered to keep their customs and religions.

he captured babylon and freed the jewish people to return to judah.