The boyars, a high rank in the feudal system of Russia and nearby. They were aristocrats.
In exchange for the food and clothing offered by Spanish missions, many different tribes agreed to show the settlers how to properly plant and cultivate crops, which was difficult for many settlers.
Answer:
They would focus on the campaign
Explanation: They want to show people the day to day things the candidate does as well as how well a candidate does in debate and expresses their ideas.
Answer:
Explanation:
Remark
Let's look at the two that you can eliminate without much worry. B and C are not going to say much about ecofriendly technologies.
It's between the New Science Lab and A record of Operational Data. The Operational Data might given you a hint about the need to reduce costs, but it won't say much about how to do it.
I would pick D. The science lab has the best chance of employing alternate ways of looking for cost control using ecofriendly technologies. It is a lab after all, and that is the first place one should seek the most modern ideas.