At different times in the history of the United States, different nationalities of immigrants faced overt and subtle discrimination. What would this be due to? A.
ethnic cleansing

B.
ethnicism

C.
segregation

D.
racism

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How did the construction of the erie canal improve transportation in the united states in the 1820s? a. the canal connected the great lakes to the mississippi river. b. the canal connected the great lakes to the ohio river. c. the canal connected the atlantic and pacific oceans. d. the canal connected the great lakes to the atlantic ocean.