And in fact, if Israel had waited and let Egypt attack, IMO they would have been perfectly justified in annexing Egyptian territory as part of any peace settlement. Russian mobilization in 1914 provided Germany with an excuse to declare war on Russia, starting WWI. Few people outside of Germany would regard Russia as being responsible for starting WWI.
Regarding Lebanon, if cross-border 'raids' by non-state actors are justification for invasion, Iran is probably justified in declaring war on the US, Iraq, Afghanistan, and Israel, since each of these countries has hosted or launched terrorist attacks in Iranian territory.
It's highly debatable whether Israel is safer after blowing up Iraq's nuclear reactor. Most of what I've read of it indicates that it was incapable of being used for military purposes by design.
I guess Iraq better prepare for another war with Israel too.
http://www.guardian.co.uk/world/2009/oct/27/iraq-nuclear-reactor-programme
Iraq has started lobbying for approval to again become a nuclear player, almost 19 years after British and American war planes destroyed Saddam Hussein's last two reactors, the Guardian has learned.
The Iraqi government has approached the French nuclear industry about rebuilding at least one of the reactors that was bombed at the start of the first Gulf war. The government has also contacted the International Atomic Energy Agency (IAEA) and United Nations to seek ways around resolutions that ban Iraq's re-entry into the nuclear field.
Iraq says it envisages that a reactor would be used initially for research purposes. "We are co-operating with the IAEA and expanding and defining areas of research where we can implement nuclear technology for peaceful means," the science and technology minister, Raid Fahmi, told the Guardian.
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