D. The end of the cold war
There were many factors that allowed the Byzantine Empire to last a 1000 years after the end of the Roman Empire which include the fact that Constantinople, the capital of the Byzantine Empire, was protected with walls that lasted almost the entire 1000 years, making Constantinople, and the center of the empire's economy/culture impervious to invaders.
Answer:
His most famous work is his “I Have a Dream” speech, delivered in 1963, in which he spoke of his dream of a United States that is void of segregation and racism. King also advocated for nonviolent methods of protest, and he organized and staged countless marches and boycotts.
Explanation:
I think the Saddlers died by the plague. I'm not sure if in wrong you can read this to find out http://www.pepysdiary.com/diary/1665/09/03/