They mostly grew wheat, barley, oats, rye, and corn. because of this, they were basically known as the "Breadbasket". So I believe your answer would most likely be wheat.
The imperialism prevails because it shaped not by distributing or transporting enormous numbers of refugees to settle and inhabit new lands, but instead by generating and producing political, military, and business structures that permitted them to govern and profit from existing inhabitants. This enhances imperial nations and formed new classes or types of people whose lives were molded by demands of imperial administration and business.
a system of government in which priests rule in the name of God or a god.
