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

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

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

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

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