Maize was the first crop domesticated in mesoamerica, it was frequently grown with squash and beans the earliest evidence of this is in guila naquitz in mexico
Answer;
Nationalism convinced the people of Europe that their own nation could take on any military threat. This was a role nationalism played in the outbreak of world War I.
Explanation;
Nationalism reached a fevered pitch in Europe prior to the first World War. As a political tool, it was the belief that European technological, cultural, economic and military superiority was the cause for the subjugation of more backward economies and cultures.
The pan-Slavic nationalism inspired the assassination of Archduke Franz Ferdinand in Sarajevo in June 1914, an event that led directly to the outbreak of World War I.
The only one would have to be Religious Tolerance
The answer is: Greeks and Roman's.