They didn't, they blew up what was there before the Gherkin. The Baltic Exchange. They did this to make people aware of Northern Ireland and the territorial dispute. They also did it to damage Britain's economy and kill Brits (even though a mere 2 died...they still should not be forgotten as a small number).
It was comitted by a fraction of the Provisional IRA (the main terrorist group in Northern Ireland) which was called the "Real IRA", that opposed the Provisional IRA's interest in peace negotiations. It backfired, and even the Provisional IRA denounced the act. The town police had been informed of the bomb by the terrorists. However, the police assumed it would be somewhere near the courthouse, at one end of the High Street. They cleared the area, but ended up directing more people into the area by the bomb, which was hidden in a car at the other end of the High Street.
That will depend on how the IRA was set up. It might not be required if your are the listed beneficiary of the IRA.
They stand for the Irish Republican Army and the Provisional Irish Republican Army. Throughout Irish history, there have been several groups using the name IRA and there have been a number of splits resulting in new groups being set up. PIRA arose from one of those splits in December 1969, from a dispute about how to respond to violence in nationalist areas and whether to recognise the governments in Dublin, Belfast and London. PIRA wanted to be more radical in its response, than some of the older members of the IRA at that time. the PIRA is just a special group of the IRA type this URL for more http://iraforever.wetpaint.com/page/The+IRA
did not blow up
Russia's provisional government was made up of members of the middle class.
Mercury did not blow up.
You get a bomb then blow it up! But why?
how to blow up a bloon
Don't blow up the lab with your experiment. The terrorists might blow up the bridge.
When deciding were to invest your retirement money you have many options, two of those are an IRA and a 401K. A 401K is set up by the employer, where as an IRA is set up on personal preferences.
No, Hogwarts doesn't blow up.
The Blow-Up was created in 1982.