What did vygotsky believe to be the most important tool for learning?

How does langston hughes incorporate meter into his poetry? he envisions a blues singer, singing a raggy tune . he incorporates it to reflect a blues musical timing. he writes jingles for the advertising of depression medication.

What is the main effect produced by the repeated word pattern in the first two stanzas of the poem "your laughter"?

Can someone give me the main topics discussed in english segment 2 dba ( lesson 3.09 )