Read the extract given below and answer the questions that follow :
" Unless, governor, inspector, visitor
This map becomes their window and these windows
That shut upon their lives like catacombs,
Break O break open till they break the town
And show the children to green fields, and make their world
Run azure on gold sands, and let their tongues
Run naked into books the white and green leaves upon
History their whose language is the sun. "
(a) How can 'this map' become 'their window'?
(b) What have shut upon their lives like catacomb ?
(c) Explain : '... till they break the town'.
(d) What will happen if the children come out of the bonds that bind them?
(e) “So blot their maps with slums as big as doom”, says Stephen Spender. What does the poet want to convey?