When he was 6 years old, Ron could recite the Pledge of Allegiance from memory. When Ron was 9 years old, he began to understand what the terms pledge and republic meant. Finally, at age 12, Ron realized the political importance of this pledge. This illustrates the concept of .a. cognitive developmentb. kinesthetic developmentc. biological developmentd. socioemotional development

Cognitive development

Explanation:

Cognitive development refers to the thinking ability development. It is advancement in reasoning, problem thinking, ability to perceive thing in environment, skill development, language development, memory and other such brain activities. Cognitive development is growth of brain to perceive and understand external society.

can you explain it better

even though you have attached neither the chart nor the generalizations, i have located them online. the right answer is d, since they are asking you about a generalization. you can only infer from the chart that between 2008 and 2009 the number of employed workers decreased significantly (from over 115 millions to 107 millions approximately), which signals some type of economic crisis.