What two things were developed

and what does the quote mean

Arts is refering to sculptures or paintings left in stones by ancient colonists like the Eygypians. That would make many of the things written in the stones verify archeological evidence.

1 a

2 c

3 c

4 b

5 a

hope this

on november 6 and 7, 1917 (or october 24 and 25 on the julian calendar, which is why the event is often referred to as the october revolution), leftist revolutionaries led by bolshevik party leader vladimir lenin launched a nearly bloodless coup d'état against the duma's provisional government.