It depends on which course you're studying. Different nomads had different reasons. I'm sorry I wasn't able to give you a better answer.
Answer:variable - interval
Explanation: In the this scenario, The humanities instructor is using a variable-interval schedule of reinforcement. The instructor used the word 'surprise' meaning the time and date of the test isn't fixed and the quizzes will come up at unpredictable time intervals. This kind of reinforcement results in a steady response rate as it keeps students on their toes simply due to the fact that they have no idea of when the quizzes are coming up.
Answer:D. a demander of funds in the financial market.
Explanation:
The money of a state usual comes from the people through taxes , everything one buys in most countries is taxed and the tax money goes to the government who use it as a state money .
This money is sometimes used for people who receive government allowances.
Some money is used to finance certain projects and operations .
This makes governments to be typically net demanders of funds.They usually borrow way more than they save and sometimes it even get misused due to mismanagement.
I think your talking about WWII so it would be the Soviet Union.
