what was the significance of andrew carnegie?

Scottish-born Andrew Carnegie (1835-1919) was an American industrialist who amassed a fortune in the steel industry then became a major philanthropist. Carnegie worked in a Pittsburgh cotton factory as a boy before rising to the position of division superintendent of the Pennsylvania Railroad in 1859

2018 means 2018 ce or common era

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

c. more people could read and interpret the bible for themselves