How many major candidates ran in the 1860 presidential election?

stone age, iron age, olden days, prehistory

explanation:

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stan bts

2018 means 2018 ce or common era

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

first industrial revolution - the first wave of the industrial revolution lasted from the late 1700s to the mid-1800s. it industrialized the manufacture of textiles and began the move of production from homes to factories. steam power and the cotton gin played an important role in this period.