Michael Servetus was a Spanish physician and theologian. He was known for having a contrary view on Christology and figuring out the role of pulmonary circulation. I suggest using britannica.com for your research.
Dust, famine, sickness, unfirtile land, native Americans
Although you did not provide the scenarios, the answer would have to deal with African-americans not being granted citizenship even though they were freed, naturalized, or born within the US. Any African-American that would be denied would be a breach of the 14th amendment.
A) Henry Ford invented the use of the assembly line to make the model-t fords
