Plessy v Ferguson was a landmark case and was a United States Supreme Court decision to uphold the laws that kept segregation, under the phrase "separate but equal". This regarded public facilities for the most part including buses, bathrooms and water fountains. This was brought from the Committee of Citizens in New Orleans, so this was applied across the board in Louisiana.
Answer:
Increase in agricultural productivity due to mechanized farming techniques
Increase in settlement areas due to improved water delivery and storage methods
Increase in urbanization due to globalization
Explanation:
there are more than 200 countries in the world
C is the answer. Hope this helps.