How did nationalism contribute to the growth of racism in the nineteenth century?

The development of nationalism at the end of the nineteenth century contributed to the growth of racism in both Europe and the United States.  The union between the nationalist movements and the racist ideology allowed racism to become operative.

Explanation:

The national emancipation reforms arose tensions that increased racism instead of diminishing it. Nationalism brought new strength to the racist philosophy, particularly in Germany.

the money supply is the total amount of money available in the economy. how do changes in the money supply affect people and businesses?

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