Answer:
first explanation to the third
Second explanation to the fourth
Third explanation to the second
Fourth explanation to the first
Explanation:
On April 2 1917 president Woodrow Wilson asked a special join session of the United States congress for a declaration of war against the German empire
The Black Death is widely believed to have been the result of plague, caused by infection with the bacterium Yersinia pestis. Modern genetic analyses indicate that the strain of Y. pestis introduced during the Black Death is ancestral to all extant circulating Y. pestis strains known to cause disease in humans. Hence, the origin of modern plague epidemics lies in the medieval period. Other scientific evidence has indicated that the Black Death may have been viral in origin. (britannica.com)
<h2>Answer</h2><h3>Better wages and improved working conditions.</h3><h2>Explanation</h2>
After the formation of labor unions, the unions were in a better position to renegotiate their wages and hence got the minimum wage increased. Moreover, they were also able to demand for better working conditions since they were often plagued with diseases due to cramped and unhygienic working atmosphere.
