America accuses China of hacking their web sites

It is learnt that the Americans in order to cover their mistakes are accusing China for hacking their web sites. America accuses China of finding the secrets of their defence matters by hacking the related sites.
However it is learnt that for decades America had even found defence details of many countries. and there is proof that they had even recorded such information. The aim of the Washington’s ‘Echelon’ programme is to collect data pertaining to messages that are exchanged between other countries. However they have confessed that they collect commercial information and not details of defence matters.........

It is learnt that they collect details of commercial activities and take appropriate action to obtain advantages for them. They find information about the business dealings and change their strategies for their advantage it is learnt.