Answer:
imperialism
Explanation:
Use of the Technology , the production in mass, done that the countries had gone in search of new forms of colonization in others countries, exploring, still, riches and interests political and economics to the regions, mainly, Africa, Asia and Latin america, starting the process of industrialization of these territories.
After this, the Supreme Court gets to rule whether any law or bill is unconstitutional.
Answer: Urban upheaval.
Explanation: African Americans were affected by outbreaks of violence. These causes occurred from long-standing injustices such as; police brutality, not enough educational and recreational facilities, high unemployment rate, poor housing, and high cost of living.
Source: https://www.britannica.com/topic/African-American/The-civil-rights-movement