The answers a and d would be the correct answers to this question
Chinese people not working hard because of using opium
Keynesian or pump priming philosophy, In other words, money should be held in the working class of the people. Their spending would set the pace for the economy because it would then determine how businesses and companies would set new demands and needs for the new hired workers. This was controversial and interesting because it was exactly the opposite of the previous Republican model of "Trickle Down economics"
Answer: Their are a bunch of people who has helped saved the Jews, but the 2 main were Raoul Wallenburg and Dimitar Peshev.
Explanation: Hope my answer has helped you! :)