following the american civil war most former enslaved african americans in texas began making a living as *sharecroppers.*
they have a right to independence.
none of these answers are entirely correct but a is the closest to being an effect of the end of the 30 years war.
the pan germanism movement that developed in the 19th century as a result of the peace of westphalia and the development of the notion of sovereign-states led to the creation of a unified germany.