Homer Plessy "<span>a. Sat on a railroad car designated for Whites," which the Supreme Court ruled as illegal in the case "Plessy vs. Ferguson," since this case upheld "separate but equal policies" in the US. </span>
The two things that happened were 2/3 of Congress and 2/3 of state votes. im sorry if im wrong
<span>One of the dangers of living in a tenement was overcrowding caused unsanitary,and thus unhealthy,living conditions.</span>