Answer: A systematic sampling method.
Explanation.
The purpose s to obtain data that closely resembles that of the entire population. Because this is impractical, random sampling is used.
After determining what a reasonable sample size will be, the size of the population is divided by the sample size to obtain a sampling interval.
The random sample is obtained from the population at the calculated sampling interval.
It ends with A) a final statement that the colonies are now free from British rule
D - international organization
USA refused , because the Senate don't ratify this document