Question

international governmental organizations
have a \home base\ in the country most in need of help.
are able to operate in every country that is part of the group.
send workers out from a singular location in a national capital.
allow struggling citizens to seek refuge in their headquarters.

Explanation:

International governmental organizations are inter - state bodies. They are set up by treaties between countries and can operate in member countries. They don't necessarily have a home - base in the country most in need of help, nor do they send workers from a single location in a national capital only. And they aren't places for citizens to seek refuge. Their nature allows them to operate in member countries.

Answer:

are able to operate in every country that is part of the group.