The answer to your question is:
C. Were dirty, crowded, and unhealthy.
The best answers are A and C (they claimed vast areas of land for Spain and they brought much financial gain to Spain).
I'm sorry if this isn't right but from what I learned it's the first one :)
A concept of federalism where local, state, and national governments interact cooperatively and collectively to solve common problems separately, but more or less equally (dual federalism).
Hope this helps! :)
In American political discourse, states' rights are political powers held for the state governments rather than the federal government according to the United States Constitution, reflecting especially the enumerated powers of Congress and the Tenth Amendment.
