According to the passage, which of the following would lead to accumulating capital

* Hướng dẫn giải

Đáp án D

Thông tin ở đoạn sau: If a society had to consume everything it produced just to stay alive, nothing could be put aside to increase future productions. But if a farmer can grow more corn than his family needs to eat, he can use the surplus as seed to increase the next crop, or to feed workers who build tractors. This process of capital accumulation was aided in the American economy by our cultural heritage.