Adam smith believed that the invisible hand would enable the economy to be a. self-regulated b. socially structured c. government regulated d. permanently stabilized

The correct answer is A. Self Regulated.

The "invisible hand" refers to the idea that competition between businesses would help in making sure that prices of goods and services remain low. Adam Smith's idea of the invisible hand resulted in several countries using this type of system that had little/no government interference. Smith felt that the competition between businesses would keep prices low and cause businesses to act in the best interest of the consumer.

River valleys were good places for hunting and fishing.

The answer to the question is a.