Which is an example of an immigration push factor?
religious freedom
political freedom
affordable land
poverty

Poverty

Explanation:

Immigration is affected by push and pull factors. A push factor refers to a reason why someone might want to leave his or her place of residence. A pull factor is a reason why someone might be attracted to reside in a particular place. In this case, the first three options are pull factors, while the last one is a push factor. If a person lives in poverty in a particular place, this might lead him or her to try his luck somewhere else.

arresting and exicuting citizens

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: