This is known as the Columbian Exchange; option A. This includes for example Coffee and Chocolate (the plants); which are today to a great degree cultivated in a continent different than the one they originally evolved on.
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President Warren Harding's secretary of state, Charles Evans Hughes, was the one who called for a ten-year moratorium on warship construction. Britain, France, Japan, Italy, and US were the countries that helped Hughes to create the ten-year moratorium on new warships.
Federal governments combine both unitray and confederal political systems
