It can. The mexican-american war also dealt with the future of the territories that were involved like the Texas territory. Since the United States won the territories from Mexico, the new colonies wanted to be slave colonies, and the general government disliked this. There would've been fewer slave colonies if they hadn't been conquered.
It made national unity more difficult
Answer:
Both countries have a wealth of natural resources and a diverse climate. Both Russia and the United States are difficult to avoid in political alliances because of their size, which, along with their military might, makes them difficult to ignore. It is no surprise that both countries are central states of their regional alliances and will remain so for several years, despite challenges.
Explanation:
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The severe Russian winter was the major reason for Napoleon's defeat during his invasion of Russia in 1812.