Để trả lời câu hỏi "bao nhiêu" thì sử dụng phương pháp phỏng vấn hay Anket? Giải thích?

Match the following items. 1. free enterprise system 2. mixed economy 3. the former soviet union 4. land and capital (a) private and state ownership of business (b) factors of production (c) private ownership of capital (d) command economy

Greg goes to a high school and observes the way students talk to each other. he makes notes on the words used, the atmosphere of the school and the way the students present themselves to each other. this is an example of a( research method.

How did presidential reconstruction allow black codes to be passed