Income us cities for marvels or stone architecture. They built with stone blocks.
3, it is not a length of time, it is a group
<span>Migration
from rural areas to cities in the late 19th century had a few effects
on urban society. Since racism was still prevalent, many businesses were
still segregated and different races received very different treatment.
There were also more jobs in the city, so migration to cities from
rural areas increased and expanded the business market as opposed to the
farming industry. The large increase in city populations, in turn,
created many health issues such as unclean living conditions, prevalent
crime, and greater fire risk.</span>
<span>Assuming that this is referring to the same list of options that was posted before with this question, <span>the correct response would be "near rivers or oceans" since people tend to inhabit these areas due to the resources they provide.</span></span>