because This is a NATO issue.. does the Concept of NATO confuse you?
"The
North Atlantic Treaty Organization (
NATO,
/ˈneɪtoʊ/;
French:
Organisation du traité de l'Atlantique nord,
OTAN), also called the
North Atlantic Alliance, is an
intergovernmental military alliance between 27 European countries, 2 North American countries, and 1 Eurasian country. The organization implements the
North Atlantic Treaty that was signed on 4 April 1949.
[3][4]"
ALL 30 NATO Nations are involved. I think your issue is because you are only Following American conservative news, (which only talks about a American topics and involvement ) you are under the Impression only America is acting and not seeing the worldwide view of EVERYONE in NATO is responding.