Which natural process combined with the cruel treatment of the spanish to devastate the peoples of the americas?

the inability of the native americans to eat spanish food

the spread of european diseases to the americas

the lack of similar technology to the spanish

climate change to which the native americans could not adjust

the spread of European diseases to the Americas

The speed of European diseases to America’s

this is not a question its simply asking you to read and write a few sentences and   the question on the bottom its fairly easy, you can do this!

the monroe doctrine is the best known u.s. policy toward the western hemisphere. buried in a routine annual message delivered to congress by president james monroe in december 1823, the doctrine warns european nations that the united states would not tolerate further colonization or puppet monarchs.