The question is asking to state and complete the said passage in the question which states Because the farmer of the United States constitution were concerned about citizens having to much power, and base on my research, the possible answer is that they established a republic. I hope you are satisfied with my answer
An act of changing physical location or position or of having this changed.
because both Spain and Portugal established colonial empires during the 15th century
I believe the answer is: A just-noticeable difference
In painting, A just-noticeable difference refers to the amount of things that needed to be change for a difference to be noticeable.
The threshold usually depended on the type of audience that being aimed toward, (for common audience, the threshold of differences would be relatively higher compared to expert audience)<span />