The Straits Times-Ministry of Education National Current Affairs Quiz is on from March 21 to Aug 1. Its presenting sponsor is the Singapore Press Holdings Foundation. This year, 24 schools are taking part.

As part of the outreach programme, 12 primers on various current affairs issues are published in the Opinion section of The Straits Times every Monday. The paper's journalists discuss issues of national concern, offering unique Singaporean perspectives on these topics.

The sixth, published on Apr 25, focused on terrorism and Singapore's security.

Here are more stories related the topic, drawn from The Straits Times Archives.

If you have a question about the topic, you might like to email us at askST@sph.com.sg.

Click here for more stories about The Big Quiz.

April 23, 2016

April 8, 2016

April 6, 2016

March 19, 2016

March 17, 2016

Jan 29, 2016

Jan 21, 2016

Nov 1, 2015

Oct 1, 2015

July 29, 2015

Oct 11, 2014

Jan 24, 2014

Jan 10, 2014

Dec 20, 2013

May 8, 2009

May 9, 2009

March 2, 2008

Feb 28, 2008

Research by Singapore Press Holdings' Information Resource Centre.