The answer would be C., Suversive activity.
Subversive activity refers to all willful acts that have the intention of being detrimental to governmental interests that don't really fall into the specific categories of; treason, sedition, sabotage... etc
I need a story or something to understand
The correct answer is Head Diplomat.
Many are the roles of a Foreign Policy Leader (also known as a Head Diplomat or Chief Diplomat), such as recognizing the legitimacy of a foreign nation, appointing ambassadors, establishing foreign policies, making treaties, making executive agreements. In the United States, the president is also the Chief Diplomat.
A Laissed-faire is a travel document issued by National Governments and sometimes International organizations such as the United Nations, International Red Cross or the European Union.
There's no answer choices listed, so here's the best I can do:
Secondary sources come from people who have only read or heard about an event, so there is a possibility that they don't know the full story or they will mix in lies. With a primary source, you will get the full story and the truth.
Hope I'm not too late, and I hope this helps :)