Much of the growth in American cities can be attributed to the

industrialization and reform (1870-1916)

industrialization and reform (1870-1916)

Explanation:

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2018 means 2018 ce or common era

there have been other eras too including bce, which included way more years.

step-by-step explanation:

100%     = 120

1%= 120/100=   1.2

9%   = 1.2 x 9=     10.8

10.80 to the 120 to get $130.80