What kind of graphs can you use to understand how people came to the united states?

A time-series graph is a graph that you might be able to use it consists measuring things/progress overtime. The time frame can be anywhere from minutes, hours, days, months, years, decades etc. it could be used to plot the population of the United States over a decade etc.

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:

b.

one company controls all the means of production of a product.

~coco