<span>According to Jean Piaget, children in middle childhood experience an increase in their ability to solve concrete problems. They grow in terms of their comprehension of abstract concepts around mathematics. They also gain the ability to understand causal relationships between things (cause and effect), and the ability to weigh objects in their head without being thrown off by the sizes / shapes of things.</span>
C. People left farms to find jobs in the new industries found in and near cities.
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William Domhoff was was the sociologist who expanded upon the concept of the power elite to note that no major decision of the United States government was made without its approval. George William Domhoff was born on 6th of August in the year 1936 and he is also a research professor in Sociology and psychology at the University of California.
Answer: to create fair competition between producers
-to protect consumers' health and safety
-to prevent the formation of monopolies
Explanation:
