In Russia, efforts to build communism began after Tsar Nicholas II lost his power during the February Revolution, which started in 1917, and ended with the dissolution of the USSR in 1991.
Annexing a territory with no plans for statehood was unprecedented and unconstitutional. Second, they believed that to occupy and govern a foreign people without their consent violated the ideals of the Declaration of Independence.
It was seen as interfering with the US power and it would allow countries to see internal affairs in the USA.
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The westward expansion during the time of Manifest Destiny, the Americans felt they needed to move westward because the growing nation needed more space for the growing population of the 13 colonies, and they needed more natural resources.
