The idea of it was that the United States was created by God to span across America "From Sea to Shinning Sea". This belief did lead into the Mexican-American War where the U.S. got it's wish of Manifest Destiny
The correct answer is B. the death of millions of Russians in battle. World war I began in 1914, most of the Russian army was composed of the working class and peasant men, Russia's poorest class, so the majority of these troops had to go to battle under undesirable conditions. Many of them without shoes, food, and even weapons, causing in the death of millions of Russians in battle. The Russian people then, blamed the Tsar for entering the war and getting so many of their young men killed.
The correct answer is release from proactive interference.
There are two phenomena that can explain forgetfulness: retroactive and proactive interference. The retroactive happens when we have information saved and, later, we receive new, more relevant information. In this case, the nervous system gives priority to the second. Proactive interference is the opposite phenomenon
Proactive interference occurs when old memories hinder the formation of new memories.
