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a in battle hope this helped
One of the main ways in which travel routes today differ from the trade routes of classical era civilizations is that they're far safer, since people have to worry much less about being robbed and/or injured--this is due mostly to government oversight and policing of the routes in question.<span />
we wanted nothing to do with ww2 until pearl harbor
Living in the city is dangerous because there are dangerous people in the city, and it is very poluted, but in the country, it is more remote and less poluted then the city, hope this helps
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Explanation:
I think it is the belief that the earth rotated on an axis and that major advances in calculus
