Ones which do not condone weapons which are horrific in their application to civilian populations. Chemical weapons, Biological weapons, Cluster Bombs, Land Mines. There are nations which consider the use of WMD against Civilians to be perfectly proper, business as usual. Ireland is a decent nation and does not approve of those who use WMD against civilians or the weapons they use. Why does Israel have a problem with any nation which objects to the use of WMD against civilians?
Obama to meet with Jordan's King Abdullah in White House later this month (Reuters)
from the article: New WikiLeaks revelations show Ireland blocking U.S. arms to Israel