Explain one way in which ideas about the prevention of disease changed between the 17th and 19th centuries.  (4 marks)

What does the man of the left represent? what does the men on the right represent? why is there a hat on central and south america?

In shifting to a defense policy based upon the concept of "flexible response," president kennedy was indicating that he had grave doubts about thevalue of which previous defense policy? a massive retaliationb collective securityc containmentd air power

Which best explains why the allies employed the europe first strategy during world war ii? a. japan was a greater threat than germany to the allies. b. japan received military assistance from germany, so the allies needed to defeat germany first. c. the allies wanted to ensure that germany did not continue to conquer european territory. d. the allies needed japan’s vast stockpile of weapons to defeat germany.