Can someone me with these questions about the china’s one child policy

well I don't got the exact answer buh I can give you a little info on it. The whole gender imbalance is cause they don't really like girls fr fr. They used to make it so that if you had more than two children (1 boy 1 girl) you would have to get rid of the extra child I'm pretty sure. Back to the imbalance though, they preferred men back then than women. Just do a little research fam

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: