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which of the following does the newspaper describe
a. the new york city tenement fire
b. the hay market square fire
c. the triangle shirtwaist factory fire
d. the mccormick factory fire

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.

Monopolies were legal in the united states until a)the 1860s. b)the 1870s. c)the 1880s. d)the 1890s.

Why did einstein write a letter to president roosevelt