Question

The building-up of the u.s military in 1916 was an example of

Answer 1

power, leadership, authority 

Answer 2

Hey There

The build-up of the U.S. military in 1916 was an example of war-time "preparedness," since although the US wished to remain isolated from the conflict in Europe, it knew that it was likely it would have to get involved, which required preparation.
Hope This Helps
And Have a great day