Periodization is the division of time into periods that show some kind of characteristics, to facilitate the study of history. An example of periodization is distinguishing the Dark Ages as a period.
Among the options periodization is visible in b. dividing China's history based on which dynasty ruled the country.
Answer:
The 1980 burning of the Spanish Embassy in Guatemala was an assault by Guatemalan security forces that left 37 dead. After a decades-long search for justice, Pedro García Arredondo was found guilty on January 19, 2015 of orchestrating the massacre. He was sentenced to a total of 90 years in prison.