The Israeli prime minister's comments come after Hamas said it could not access the bodies of 19 hostages in Gaza.
It is part of a new drive for the 27-member European Union to be ready for conflict by 2030.
The crowds were so big that the public viewing was moved from the parliament building to a stadium.
Seven people have died since April this year - the highest number since figures started being recorded in 2006, officials say.
It is part of a new drive for the 27-member European Union to be ready for conflict by 2030.
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