What is the theme in The Mark of the Assassin: A Novel by Daniel Silva?

Conspiracy is another theme in the book. Central to the plot of this work is the concept of a multinational group of wealthy and powerful individuals whose activities serve to control the relationships among the world's countries. The "Society" has as its purpose the promotion of tensions among countries and the creation of international crises, so that it may control the actions of national leaders and enrich its members. Relative to the United States, for example, it planned and implemented an airline bombing, so that a presidential election would be influenced and a man elected who could then be indirectly controlled by member Mitchell Elliott.