CLEAN: Spain vows 'appropriate' response to Argent

The Spanish government strongly condemns Argentina's decision to expropriate Repsol's shares in YPF, viewing it as a breach of the traditionally friendly relations between the two countries. Spain recalls its past support for Argentina during difficult times and criticizes the move as detrimental to both nations and to international legal security. The Spanish government announces its intention to take necessary measures to protect Repsol and other Spanish interests abroad, labeling Argentina's action as hostile.

What measures did the Spanish Government announce it would take in response to the expropriation?

What implications did the Spanish Government suggest the expropriation would have on legal relations between countries?