The offensive were a major turning point for the soviet red army
The German army made crucial gains, managing to push the red army as far as 25km to Moscow. Hitler however took command of the army and opted to take the southern oils fields of Soviet union and the town of Stalingrad. They were however trapped by winter, encircled by the red army and denied of food and supplies until their surrender.
Don't quote me on this but i think it is C.Other countries feared and paid tribute to China. Best of luck sorry if i'm wrong.
The pyramids were built for the pharaohs
Guns and gun powder
during this time the natives in America were still using spars and arrows, with those weapons they practically stood no chance against the Europeans.
The right question is

now multiply 1/2 by the coefficient of x which is 8

now add square of 4 on both side of equation we will get



taking square root on both sides
we get




so third option is correct
if u find any confusion u can ask me
i hope you will understand it
Thank u