Most of the alterations can be found in the cutscenes (first story part). Particular scenes were removed completely, recut or a black screen was inserted.
Moreover, some dialogues were removed.
The actual gameplay itself wasn't censored that much, only two vehicle weapons are affected by that.
Burning enemies, blood splatters on the screen and the civilians (which can be run over bloodily) stayed in the European version. Some details were moderated a little bit by the translation.
