Page 209 - SOCIAL
P. 209
Steamboats traveled on
rivers from city to city.
Steam engines were the
S
start of railroads.
Transportation Changes
Tran sp o rtatio n keeps changing.
'de?>
Trains, planes, and hig h-sp eed
b o a ts help people to tra ve l anyw h ere
on E a rth . It takes less tim e to m ove
people and things than ever befo re.
dMM'ik How do tra n sp o rta tio n
inventions change the w a y people live?
210 • Unit 4
