Who was Stalin's political rival after Lenin's death?

Leon Trostky.

Explanation: in fact, during Lenin´s life (died in 1924) Trotsky was appointed as his natural heir. Course of events became different. Trotsky was a very important figure during the first phase of Soviet regime and during revolutionary war (1917-22). Later escaped to Mexican exile.

during the middle ages bibles and most christian literature was written in latin i think that’s the answer you are looking for

on april 6, 1917, the u.s. joined its allies--britain, france, and russia--to fight in world war i. under the command of major general john j. pershing, more than 2 million u.s. soldiers fought on battlefields in france.