Cause effect chart . . chinese exploration and isolation. causeeffect. ming emperors disallowed foreign trade.. the reason why they disallowed trade was because china became very isolated.. . chinese citizens who made goods for trade lost income.. ming emperors desire to show the greatness of their rule and to collect tribute.. . . chinese require payment in gold and silver.. ming leaders ban ships with more than two masts. there will be no further construction of ships.. . . . the chinese keep close control over contact with europeans..

The answer is Chinese citizens who made goods for trade lost income.

based on this information, i would advocate against sweatshop labour because it exploits workers in unsafe working conditions with little pay. though sweatshops produce inexpensive goods, they harm the environment, workers, and often use unsafe materials to make consumer goods.

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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