Answer: Sensorimotor stage: birth to 2 years.
Explanation: Piaget called the stage from birth to 2 years of the child's life as sensorimotor period or sensorimotor stage.
Convert to improper fraction (multiply whole number by denominator and add numerator, keep the denominator)
5 1/4 = 21/4
4 1/2 = 9/2
Multiply 9/2 by 2/2 to get the same denominator = 18/4
Subtract the numerators, keep the denominator.
21/4-18/4 = 3/4.
I believe the answer is: political institutions
In united states, the role of political institutions is to hear the aspiration/principles that held by a specific group of people, and appoint a certain candidate to realise those aspirations/principles into an actual law/regulations.
