Which of the following conclusions is supported by the events of the great depression in the 1930s?

The conclusion that was supported by the events of the Great Depression in the 1930s would be: Countries' economies became more interconnected following WorldWar I.
After the world war I, many countries started to realized that they could obtain a lot of cheaper materials to fulfill their needs by creating a trade agreement with another country, which marked the tipping point of international trade that we see today.