It took that long because there was a war between protestants and christians following Luther's writing of the 95 theses which was very gruesome. After this war subdued, the church was finally ready to accept peace.
Answer:
(A). Cross-sectional
Explanation:
A cross-sectional research design is used to collect information on a single variable at a particular time, from different population groups with similar characteristics.
In this case, the research variable being studied is depression, while the individuals are grouped according to ages.
number 3: Migration of people
