Answer:
how the secondary data were collected.
Explanation:
Secondary data refers to the data that is collected by other persons beside the researcher who actually use it. (in this context, it would be the data that is collected by other person than Marvin).
Sometimes, the collection method could influence the data given by the samples and will shaken up the overall conclusions.
I'll give you an example.
In market research, companies often conducts research to find out consumers' preference toward a certain product. This preference could be given by the people through either public survey and private survey. Most people tend to give a more truthful answer if the data is collected through private survey since answering in public survey makes the people fear a chance that they will be judged by others.
Well, I am Russian, so you are getting this STRAIGHT from a source:
The two reasons were hunger and lack of medicine;
At that time, Russia's government were mostly dictators, and stole a LOT of food from the people, and a LOT of harvests & crops from the farmers for businesses;
Medicine was EXTREMELY expensive, and of course, the soldiers were treated WORSE than the people..........
So when they called for donations, the citizens BARELY were able to support themselves, so there was almost NOTHING to give to the soldiers!
Now, there were SOME food and medicine saved for soldiers, but it rationed QUITE QUICKLY!
So MANY soldiers were ill really fast, but due to the VERY skillful and useful techniques they learned to fight in the war, they still survived, (of course, there were soldiers who died too, but a MAJORITY of the Russians won).
I hope I helped, and PLEASE choose my answer as the Brainliest!
Thank you! =D
Answer:
There was plenty of good land available for farming.
