was americas competition with europe over mid east oil which helped shape americas position. After that the US has always acted as a dampening influence on Israels militay achivements, calling for cease fires as Israel is about to strike the death blow. This is because the US seeks to keep Israel as a threat to mid east leaders thereby maintaining a hold over the arabs.
Report: IDF find M-16 rifle hidden in Palestinian's car in West Bank (Haaretz)
from the article: An attack on Iran would be a disaster for Israel