The best answer in this kind of question is none other than The Buyer and the Seller. The economy usually tells the balance and the rising and falling of the circulation of money and goods in all aspects that the country would be benefited and one of it is the Market.
Underweight? There's a quizlet on this and "causes of underweight" is the answer for a question very similar to this one. I hope I helped (:
Royal colonies. The correct answer is the last one. Don't think I am wrong because I had to answer this question on a quiz and I got it right. If you get this wrong, don't say I did not warn you.
B. Adolf Hitler because after WWI a lot of Germans thought the Jews were the cause of Germany’s defeat in WWI