The indigenous Quechua communities, have been building and rebuilding this twisted-rope bridge, or Q'eswachaka, in the same way for more than
500 years. (Las comunidades indigenas quechuas, han estado
construyendo y reconstruyendo este puente de cuerdas retorcidas, o
Q'eswachaka, de la misma manera por más de 500 años.) *

i think the answer is a and i hope this ; ))

the treaty of brest-litovsk was a peace treaty signed on 3 march 1918 between the new bolshevik government of russia and the central powers (german empire, austria-hungary, bulgaria, and the ottoman empire), that ended russia's participation in world war i.

a best description that resulted a division among labor in the early farming communities in their period was there was a change in their society in terms of having social roles to develop and change that led complications and divisions in the society.

the viking voyages took place during the middle ages, which was about this time. 500 to 1350. the viking voyages took place during the middle ages, which was about this time.