They had dosages to do all the work for them
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 is the United States’ policy of asserting its full
authority over the American continent in 1823. It further states that any attempt
at colonization by European countries on lands in North and South America will
be viewed as an act of aggression by the U.S. government and will be a cause
for intervention.
