He contributed to the invention of the radio
The correct answer is C - res publica.
The res publica were a class of people which we would today consider to have been the early aristocrats of Early Rome. Later on, the class of wealthy romans and those who had power were called the patricians.
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well developed trade routes linked the peoples and products of Africa, Asia, and Europe. Europeans played a minor role in the Afro-Eurasian trading world because they did not produce many products desired by Eastern elites.
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Their Ideologies, beliefs, and access to reliable information.
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It was the imperial palace of China for 492 years (1420–1912). It covers 0.72 sq km (0.28 sq mi), of which 15 hectares (38 acres) are floor area. It has 980 buildings in over 70 palace compounds, with over 8,700 rooms.
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