Mercantilism and barter are better described as historical economic systems, and in the past the governments and the kings/queens generally kept a closer control of the country, so let's not consider those options.
Now, we have: capitalism, communism, socialism.
Capitalism leaves the capital and the economic decisions in the hands of the private people, not the government. Socialism means a common possession of the means of production, but not by the govrenments, rather by the people, as is often seen as a milder form of communism.
Communism on the other hand is associated with authoritarian governments. Some example were the Soviet Union, and currently, North Korea and Cuba.
Prenatal predictors of media use during infancy are understanding the behavior and attitude.
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What do you understand by Infancy?</h3>
Infanthood is the time between birth and the beginning of language development in humans, which occurs one to two years later. Or, Infanthood is the early stage of anything or the time when a person is a baby, according to the definition. An example of a business in its early stages is one that just got off the ground last week. A one-month-old baby is an illustration of infancy. Humans learn to walk and communicate as toddlers as they develop their motor and language skills.
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Answer:
We can see that every child has a different calibre to understand and learn things. Some children do not tend to have a strong mind in certain field and have to work hard in those subjects. Others might be hardworking and good at a subject. Among children, a teacher might know students who have a good understanding of a subject but are careless towards their responsibilities. Such children are intelligent but lazy.
In the scenario mentioned in the question, the teacher should ask the child to complete the task at home or during free time.
Answer: B)Negative reinforcement
Explanation:Negative reinforcement is the way for teaching and making others understand about the particular behavior.It helps in the elimination of the bad/negative consequences in return of the stimulus.
The focused behavior gets induced and bad thing will be out of mind is the strategy behind it.Other options are incorrect as they don't work as stimulus behavior will not be take the unpleasant thoughts.Thus the correct option is option(B).