Use the graph to answer the following question: There is a change between 1348 CE and 1351 CE. Which of the following is the best reason to explain this change? (4 points)

a
The Hundred Years' War

b
The Great Famine

c
The Mongol invasion

d
The Black Death

What two important inventions did the people from this region share with society?

When there are advances in technology, such as the personal computer, how might business productivity change? a) productivity is separate from technological advances so there is no impact. the new technology can replace outdated, less efficient, machinery. o) the businesses' products will no longer be demanded. d) manufactured items will be made elsewhere.

How did the actions of tsar nicholas 2 and his wife lead to revolution in russia