A map titled Plant Domestication by Early Humans. Locations where squash, maize, beans, peas, rice, and barley can be found are marked. What are the best reasons for using this map? Choose two correct answers.
to determine resources of early humans
to find the elevation of European mountain ranges
to measure the distance between early human settlements
to find the population density of early settlements

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:

"a government in which power is divided between state and national levels". federalism is a system of government in which entities such and state and province, share power with the national government.

it reintroduced the two-party system.

the answer is b! (apex)