Which of the following statements describes a benefit of a grid city?
a.
the city is planned, which is believed to lead to a happier life for citizens.
b.
the streets are aligned to coordinates or to the cardinal directions, which allows for quicker transport.
c.
memorials and artistic spaces inspire respect for the city, and open green spaces invite recreation and encourage health.
d.
the city is organized in concentric rings around an epicenter or downtown area; the wealthier live farthest from the city center, and the poor live closest to factories or industrialized areas.

answer is b