It will be easy about me, why do you think? As an independent sovereign Ivan lll began to behave towards the Tatars. In 1476. He refused to pay them an annual tribute and entered into an alliance with the Crimean Khan, an enemy of the Golden Horde. Standing on the Ugra (1480) put an end to the Mongol-Tatar yoke. The Russian state acquired formal sovereignty.
Answer: Japan surrenders after the Soviet Union enters the war which marked the end of ww2.
Explanation: Nuclear weapons shocked Japan into surrendering at the end of World War II, which they didn't. Japan surrendered because the Soviet Union entered the war. Japanese leaders said the bomb forced them to surrender because it was less embarrassing to say they had been defeated by a miracle weapon.
Fueling factories using something other than wood" since this greatly revolutionized production productivity.