to appoint envoys, [446]
to conclude extradition treaties, [406]
to expel aliens, [400]
to protect their citizens abroad, [396]
to receive and send envoys, [440]
to recognise new heads of States, [426]
Dissolution of treaties:
in contradistinction to fulfilment, [570]
through mutual consent, [571]
through vital change of circumstances, [572]