<P> Bombing of London was to be held back while these night time `` destroyer '' attacks proceeded over other urban areas , then in culmination of the campaign a major attack on the capital was intended to cause a crisis when refugees fled London just as the Operation Sea Lion invasion was to begin . With hopes fading for the possibility of invasion , on 4 September Hitler authorised a main focus on day and night attacks on tactical targets with London as the main target , in what the British called the Blitz . With increasing difficulty in defending bombers in day raids , the Luftwaffe shifted to a strategic bombing campaign of night raids aiming to overcome British resistance by damaging infrastructure and food stocks , though intentional terror bombing of civilians was not sanctioned . </P>
<P> Bombing of London was to be held back while these night time `` destroyer '' attacks proceeded over other urban areas , then in culmination of the campaign a major attack on the capital was intended to cause a crisis when refugees fled London just as the Operation Sea Lion invasion was to begin . With hopes fading for the possibility of invasion , on 4 September Hitler authorised a main focus on day and night attacks on tactical targets with London as the main target , in what the British called the Blitz . With increasing difficulty in defending bombers in day raids , the Luftwaffe shifted to a strategic bombing campaign of night raids aiming to overcome British resistance by damaging infrastructure and food stocks , though intentional terror bombing of civilians was not sanctioned . </P>
where did the german luftwaffe focus their bombing in great britain
where did the german luftwaffe focus their bombing in great britain
London
London