Answer:
Plessy vs Ferguson
Explanation:
Plessy vs Ferguson strengthened the Jim Crow laws because it stated that service could be given separate but equal. This strengthened Jim Crow laws and many services such as restaurants, bathrooms, and transportation were made separately depending on your race.
Answer:
B. Salutary neglect
Explanation:
Salutary neglect is the policy by the British whereby strict enforcement of parliamentary laws, especially trade laws, meant to keep British colonies obedient to England, in the 18th century are avoided. It is non-deliberate policy.
The occupational classification that included doctors, lawyers, and dentists in 1880 was the 'professional service' category. It would not be agriculture, fisheries, and mining because those professions are not in that field.