Deccan Dynasties And Sangam Dynasty
The chief feature(s) of the Chola architecture was/were

spacious courtyards
temples became vast complexes
massive vimanas or towers
replacement of bricks by stone structure

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Deccan Dynasties And Sangam Dynasty
The Sangam Age in the history of South India represents

Both B and C above
A period when an assembly of a college of Tamil poets was held at Madurai
The period of Aryanisation of South India
A literary-cultural phase of the Tamilham during the first three centuries of the Christian era

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