<span>The answer is, Rio Grande River</span>
<u>Answer:</u>
After long establishing the central part of a relocation to America, European migration has mostly declined since 1960. The first critical European movement wave, spreading over the sixteenth to eighteenth hundreds of years, comprised the most of pilgrims from the British Isles pulled in by monetary chance and strict freedom. The fall of the Iron Curtain in the mid-1990s introduced the latest rush of European immigration, commanded by individuals from Eastern Europe and the previous Soviet Union.
- Composition of the Reconstruction Governments
After the north won the war, the president requires the southern states to fill a certain amount of Quota for Minorities to fill in the Government representative seat.
-- Many northern citizens move to the southern side after the war and bringing northern ideology with them.
Equal rights, unalienable rights, undermining the legal consensus, right to bear arms