This data is called "secondary data".
An example for a usage of a secondary data is when a researcher takes up a data collected by someone else, for exam ple a large survey, and analyses this data to receive new insights from it - this is a fairly common practice. Often for example official government data is used by scientists
I think it is aragment or grand jury im not sure
This is true because they wanted better opportunities for farming and to make more money
Answer:
Sudan, Chad, Russia
Explanation:
Those are some good examples.