I believe your answer is "reflect on the problems and challenges in the world"
War often caused the two civilizations to be intertwined. the people themselves share similarities in features
2. Nationalists believe that their country is better than all others. It’s really a toxic philosophy, though, since we live in a global society where every country is connected economically. It’s especially confusing in America, because America is a country of Native Americans and immigrants.
Technology affect Aryan trade because it make their production more efficient and it provide various transportation methods for the trade.
Technology affect Aryan warfare by developing more advanced weapons that they could use in their warfare.
Hope this helps