21.   That is why common values lie at the very core of the new security system that Europeans are trying to build.

22.   That she was killed simply for doing stories that referred to but did not name specific drug barons has shaken Ireland to the very core.

23.   The escalating number of abductions has shaken Colombia to its very core.

24.   The files are designed that way on purpose, so that Internet technology is built into the very core of the operating system.

25.   The story of their association goes to the very core of American cultural identity.

26.   The very core of Christian faith proudly proclaims that the church that gives itself away for the world, as Jesus did, would prosper.

27.   The very core of the European Union is the absence of visa requirements among member countries.

28.   These icons of modern painting have continued to touch some nerve at the very core of American consciousness.

29.   They inform the very core of his work.

30.   Almost everybody has something to say about advertising and the people who work in it, for advertising touches the very core of society, spreading messages across millions.