How was Adam Smith's position about the necessity of free trade and free markets different from how many national economies operated during this period? WHOEVER ANSWERS GETS BRAINLIEST!

In e. c. tolman's experiment, some rats were trained to run through mazes for standard food goals, while other rats were allowed to explore the mazes for 10 days without food goals or other rewards. later, when food rewards were placed in a box at the far end of the maze, the previously unrewarded rats reached the food box as quickly as the rewarded rats after only one or two trials. this experiment demonstrated that the rats had the ability to form of their surroundings.

Donald is studying the eating habits of all students attending his school. he samples the population by dividing the students into groups by grade level and randomly selecting a proportionate number of students from each group. he then collects data from the sample. which type of sampling is used? select the correct answer below: systematic sampling convenience sampling stratified sampling cluster sampling

Which of the following statements about the shang dynasty’s system of writing is false? a. no evidence of the writing system has survived. b. the shang often wrote on bamboo parchment. c. the writing system had over 3,000 characters. d. the writing system developed from a system of pictographs.