Answer:
A website for Harvard, a periodical because it's peer reviewed, and a government website.
Explanation:
I’m assuming the answer is C let me kno if it’s wrong
D. object permanence. A theory by Swiss psychologist Jian Piaget studied and theorized that at certain age of infancy, an awareness is developed that objects and people continue to exist even if they cannot see them. This manifested development is seen when infants play the games of peekaboo or hiding toys under the blankets.
Answer: shaped history and have an impact on law-abiding citizens today.
Explanation: