The poster below was created in 1917: Poster of a woman sleeping while dressed in clothing that resembles the U. S. flag. The poster reads 'Civilization calls every man, woman, and child!'
Public Domain
With which social change is this poster associated? (1 point)

the growing number of U. S. citizens opposed to the war effort
the increased number of women joining the armed forces
the wartime shift of women's work from the home to the workforce
the protests of women who opposed working outside the home

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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:

answer: the risk-return relationship. generally, the higher the potential return of an investment, the higher the risk. there is no guarantee that you will actually get a higher return by accepting more risk. diversification enables you to reduce the risk of your portfolio without sacrificing potential returns.

explanation: