They were able to unite because the Persian invasion of Greek mainland was a common threat for all, so they united to stop it. This was impossible before because Persia was not considered to be such a major threat.
It's b, because a mixed economy refers to socialism, where they have some control over economic decisions, but not all.
Answer:
Cows saves money of the master.
Explanation:
Cows has a great impact the labor practices from 1450-1750 because people used cows for tillage practices instead of labour in order to save their money. free labour refers to the slave people who work free for their master while the unfree labour refers to the labour which works on wages. In this period, free labour was used by the people for cultivation and harvesting of crops.
Answer:
Sumer and ancient civilizations.
Explanation:
The origins of slavery were Sumer and ancient civilizations. Slavery occurred in civilizations of Sumer, as well as in almost every ancient civilization, such as ancient Egypt, ancient China, the Akkadian Empire, Assyria, Babylonia, Persia, ancient Greece, ancient India, the Roman Empire, the Arab Islamic Caliphate and Sultanate and the pre-Columbian etc. The slavery was started because there is need for it in every society and civilization for the purpose of work.