After his victory of the union in Virginia, he decided to take the fight to Maryland because it was a slave holding state.
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<span>An increase in scientific and medical discoveries improved life expectancies.
</span>The best possible explanation for the changes in Europe's population since 1750 is that an increase in scientific and medical discoveries improved life expectancies.In fact, it was around this type that basic hygiene norms were implemented, as well as some mortal diseases were cured or to improve lifbetter treated. Moreover, the discovery of vaccinations helped greatly to improve life expectancies.
Answer: The first one is the correct answer.
I hope this helps :D
The senate must approve all treaties with a 2/3 majority.
The answer is “to allow each branch to be held more responsible”
