The answer is b. Market economy because the aspects of production is controlled by the government
To see if there was any new things they could find for example treasure or materials
Roman Christianity's organization was based on bishops' and archbishops' control of territorial units called diocese. The word diocese comes from a Greek word which means 'administration'. In the Middle Ages, some bishops even held political power aside from their religious power. A diocese is further divided into parishes which fall under the management of priests.
President Nixon reduced tensions between the US and the Soviet Union by traveling to China as well as the Soviet Union. When there, he signed an Arms Control Treaty with the Soviet Union in hopes of lessening the tensions.
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The Indus Valley Civilization remains one of the most enigmatic events in human history, if only for the paucity of knowledge associated with it in general discourse. It was truly a paean to the desire for human excellence, even in those times, bringing in its wake several important inventions which mankind has derived progress from. <span>Each and every one of the 4 ancient civilizations had its own mind boggling languages, handicrafts, religion et al. Here I am only concentrating on the amazing and unique things found exclusively in Indus Valley Civilization.</span>