3 ideas
In Suttner's 1911 novel of the near future, a wealthy American puts his private fortune behind the international peace cause. His money funds the organising, congresses and advocacy that turn pacifism from a salon ideal into a working movement. The figure echoes real pre-1914 philanthropy such as Andrew Carnegie's 1910 peace endowment, and it tests whether one patron's capital can speed a political change that states resist.
The novel treats war as something people choose and sustain, not an unavoidable fate, and presents arbitration as the alternative means of settling disputes between states. It does not claim that comparable practices have already been abolished: Franka speaks of duelling as still legitimate.
The title names a shared stock of the highest moral ideas, such as peace, justice and human solidarity, which advanced minds hold ahead of their societies. Progress happens when people who hold these ideas link up across borders and push institutions to catch up with them. On this model, moral change starts in a transnational network of the convinced and spreads outward from there.