No, it is technically false that <span>Buddhism spread only by means of overland routes, sine sea routes were involved as well--however land routes were far more prominent. </span>
What subject is this for ?
No, Germans with non-jewish ancestors were treated different. With jewish ancestors you “went into the gas”, meaning your former fellow citizens pointed at you with a gun, put you in a train and sent you to concentration camps.
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They're called whistleblowers