How can A Civil War in one country affect the rest of the world

Caused thousands of deaths, devastions, leave country, destoryed economy, investment and trade ended, children didn't have an education, extened beyond the countrys borders.

Explanation:

The war has caused devastation and hundreds of thousands deaths, displacing over 6 million people, and forcing another 3 million to flee the country as refugees.Beyond the human tragedy, the conflict has disrupted the functioning of the economy. It has destroyed infrastructure, prevented children from going to school, closed factories, and deterred investments and trade. The economic effects of the war have also extended beyond the country’s borders.

The answer is C, The Netherlands and the Swiss Confederation because independent states