The Neutrality Acts of 1935 to 1937 strictly limited American travel
and trade during wartime. By passing these laws, the U. S.
abandoned its traditional views on
А)
the Open Door policy
B
isolationism

i think the answer is the one about environmental and social health.

hope this

aug 15, 2012 - although van leeuwenhoek was not the inventor of the microscope, he advanced it more he loved to grind and focus a new lens in order to see the unseen world. most of leeuwenhoek's microscopes were silver. in a simple but significant experiment (1668), he demonstrated that worms found on