Answer:
(B). Both the other two
Explanation:
Vygotsky's sociocultural theory of cognitive development states that <u>children learn and develop by socially interacting with others who are more skilled</u>.
According to the theory, <u>children learn through </u><u>collaboration</u> with people who are more skilled like parents and teachers.
<u>They also learn through </u><u>scaffolding</u><u>,</u> which involves the teacher providing temporary support to the child, for a period of time, until the child can carry out an activity on his or her own.
The answer to your question is: The War Industries Board's main power given to them after its creation in 1917 was to encourage the companies to do mass-production methods. This is to increase efficiency and encouraged them by producing standard products without having any waste.
Disruptive mood dysregulation disorder I believe
