Which technological advance contributed to the growth of suburbs in the late-nineteenth century? a) new railroad lines b) new skyscraper buildings c) invention of the elevator d) invention of the light bulb

The correct answer is A) new railroad lines

By 1830 to 1890 the first suburbs were served by horsecars, but it made the travel long and difficult when railroad companies started to build passengers stations along their routes, small villages started to develop. Semi-residential communities came along and upper and upper-middle classes escaped from the city centers to the rural countryside.

A

Explanation:

the effect of the ming leaders banning ships with more than two masts was that there was no further construction of ships masts, because there was a surplus. ming emperors disallowed foreign exploration