Japan has many mountains, thus, the outsiders could not easily enter Japan and Japanese could not leave the country. And, thus the self-isolation was helped by the presence of a mountain terrain. This policy was implemented by Togukawa, who insisted on preventing Japan from foreigners.
The first United States government was called the Articles of Confederation. Hope this helped :)
~ShadowTheFluffyPanda
I believe the correct answer is A
Living in a place but not by the laws
Early farmers who cultivated crops and domesticated animals