Ole Holsti was a man who studied how people behave in different situations. He wanted to understand why people acted the way they did when there was conflict between countries. He thought that by studying history and people's attitudes, we could avoid conflicts in the future.
He looked at events like wars, elections, and other important moments in history to try to figure out what people were thinking and feeling at the time. He talked to people who were there and read a lot of books and articles to learn more.
Holsti believed that we should try to understand other people's viewpoints so that we can work towards peaceful solutions instead of fighting. He thought that if we can see things from other people's perspectives, we can find common ground and work towards a better future together.
Overall, Ole Holsti was a smart man who wanted to help people get along better by understanding each other better. He believed that if we can learn from history and listen to each other, we can create a peaceful and happy world.