In the Interwar period the Library's success continued as the public library system was slow to develop and even after World War II it was a hub of creativity in Northern Ireland. It failed to secure this position, though and in the years following began to decline. Investment in public libraries combined with extensive IRA bombing in the city centre led to membership levels falling. By the end of the 1970s the Library was on the brink of closure, with large amounts of material (including an extensive collection relating to The Troubles) but a poor building, few users and serious money problems. In response, the Department of Education threatened to withdraw its grant and in 1980 proposals were made to close the Library permanently.