Answer:
Attachment;Self concept
Explanation:
If infancy's major social achievement is <u>attachment</u>, childhood's major social achievement is the development of a <u>self concept</u>.
The major achievement of an infant would be the ability to feel attached to his surrounding and people around him. Where as a childs childhood develops his sense of existence and self concept. A child finds his identity and learns the concept of self development.
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Answer:
by using context clues Hints that appear in a text that help readers discover the meaning of an unknown word, usually based on how it is used in a sentence or paragraph.
Explanation:
Context clues will expand your vocabulary. by helping you guess the meaning of a word based on how it is used in a sentence.