Which are Buddhist beliefs? Choose all answers that are correct. 1.Suffering is caused by our desire and greed.
2.People progress toward nirvana by pursuing the Eightfold Path.
3.Rulers should model themselves on a good family.
4.If you follow rules of your caste, you will be reborn into a higher caste.
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option d is correct. corroborated sources of historical evidence   is necessary to validate a claim about an event in history.

historians tend to use written sources, but audio and visual materials as well as artifacts are important objects that supply information to modern historians.

historical sources are usually divided into two categories: primary and secondary sources. depending on the historian's intent, some sources shift their designation. determining what type of sources toimplement, and the level of credibility and reliability of those sources, is a significant step in critical thinking for the historian.

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