Russia's victories in World War I led to Czar Nicholas's abdication and retirement. War on the western front devastated Russia's army, causing Czar Nicholas to abdicate. ... Czar Nicholas abdicated in favor of constitutional governments due to Russia's alliance with Britain and France.
I don’t know what your choices are, but the Nile, Tigris/Euphrates, Yelllow, and Indus Rivers are huge rivers that four major civilizations started on. So if those are your choices, pick another river…?
Employment and stock values, the stock market crashed and no one wanted to be involved in that industry anymore and the company's did not have the money to keep the employees and the unemployment rate rised to the double digits.
The New Stone Age, the time period after the Paleolithic Era, marked by the use of tools