What is the reason workers from joined together to form unions in the late 1800s

in the late 1800s, workers organized unions to solve their problems. their problems were low wages and unsafe working conditions

no options provided, here,but the answer to this question is often: a historian cites a japanese newspaper article published a year after the end of world war ii in order to draw conclusions about the effect of the war on the japanese economy.

clearly from the answer, the historian alludes to historical sources,and records to aid in analyzing and drawing conclusion on the effect of the war on the economy of japan.