The build-up of the u. s. military in 1916 was an example of
a. internationalism.
b. isolationism.
c. neutrality.
d. preparedness.

The build-up of the U.S. military in 1916 was an example of "D. preparedness," since in this case the US was "preparing" to go to war in Europe, even though it wanted to avoid war at most costs. 

Spread knowledge of agriculture to humans around the worldprevented human development of language and other ideaswas not a part of human life until only the last 2,000 yearsencouraged most human groups to maintain a nomadic life