What did china trade with britain during the qing dynasty?

it also traded cotton .silk, indigo, saltpeter, and tea and transported slaves. It became involved in politics and acted as an agent of British imperialism in India from the early 18th century to the mid-19th century.

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.

explanation:

both include an amendment process.