The themes that played a major role in changing the world between 1450 and 1750 was that plants were being spread together with animals and diseases between the Americas and the rest of the world; mainly Europe. Especially famous are cases where European contact wiped out whole villages and tribes of native American people because they were unable to cope with the bacteria and viruses.
The action that Japan took in an attempt to recover from the Great Depression is that D. Japan seized control or resources in other nations.
That way, Japan had a lot of resources to fight the consequences of the Great Depression which left the country struggling.
Red clouds war began in 1866 all the way to 1868
Cliff dwellers who disappeared mysteriously were Anasazi Indians
