social science - history history-UNIT-1- outbreak of world war i and its aftermath history-UNIT-2- the world between two world wars history-UNIT-3- world war II history-UNIT-4- the world after world war II history-UNIT-5- social and religious reform movements in the 19th century history-UNIT-6-early revolt against british rule in tamilnadu history-UNIT-7-anti colonial movements and the birth of nationalism history - UNIT - 8 - nationalism: gandhian phase history - UNIT - 9 - freedom struggle in tamilnadu history - UNIT - 10 - social transformation in tamilnADU