The freedom of enslaved African Americans on the 1st of January in 1863, as well as their right to civil liberty.
Trains from different rail lines could use each other’s tracks
Answer:
Ellis Island. the port of entry for most European immigrants arriving in New York between 1892 and 1954] Angel Island. the port of entry for most Asian immigrants arriving in San Francisco between 1910 and 1940] Americanization.
It is noted that now 27 countries of the world peg their currencies to EURO. So the answer is EURO.