The Persian empire posed a danger to Greece because of the easy attack distance. Persia even invaded Greece to punish them for aiding the rebellious cities of Anatolia.
Hope this helps
India- Caste System (5 levels)
Braham. single spiritual power that Hindus believe lives in everything.
Kshatriya. second level of the varnas in the Hindu caste system; WARRIORS.
Vaishyas. 3rd class of the caste system (worker class, the legs of purusha-sakta.)
Shudra. ...
Untouchable/Harijan/Dalit.
A system of caste is born based on birth and cannot change it.
Castes are rigid and inflexible ; people are born in a caste and cannot leave it.
Castes are a prominent part of people's lives but people may have been able to move around.
Discrimination based on caste is illegal.
Answer: [D]: "the decline of Europe's large cities" .
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