Demographic tendencies in western Europe facilitated this “colonization.” The settlers—certain of non-public independence, fastened rents, plus some evaluate of self-administration and operating under the so-referred to as German Law—founded new villages and towns or reorganized old ones. Towns obtained official charters (Wrocław in 1242, Poznań in 1253, Kraków in 1257) https://polawedee.tumblr.com/