What has to happen for a disease to become a pandemic? A. It has to be able to be transmitted from person to person

B. It has to originate in Europe

C. It has to spread over a large portion of the world

D. It has to kill one thousand people​

Do you believe that unity of purpose and belief are what made the american colonies strong, or do you believe that societies whose citizens were compelled to interact with people of differing beliefs were the most successful, based on the history

Which sentence best explains how steam power changed agriculture in england between 1810 and 1850? a. farmers started using steam-powered machines to spray chemical fertilizers and pesticides. b. livestock farmers began using steam-powered machines to milk cattle and shear sheep. c. steam-powered railways transport and sell agricultural produce far from where it was grown. d. steamships to transport large numbers of people from the united states to english farms.

What project establish leonardo da vincis reputation as a creative and talented engineer