The first three options I see are all making-decision process to take action, but the last one is the one that is not like that. Researching is something that is not so close in meaning to what you need. That is why, D is a good option.
I don't know much about diplomacy but this might help :)
<span>The functioning of diplomacy is influenced by a complicated combination of different interrelated factors. This paper briefly analyses their impact on the evolution of diplomacy and discusses how diplomacy as an instrument of good governance should adjust itself to meet the new challenges, to become more relevant, open and agile, to modify its methods and to fully utilize opportunities offered by the technological revolution.
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Answer:
The usual blessing
Explanation:
“In the name of the Father and of the Sonne and of the Holy Ghost, Amen”—followed, then the Lord's Prayer, the whole concluding with the Roman numerals