Over the last 100 years, the United States has experienced significant improvements in transportation and technology. As a result, urban centers of today differ from those of the 1800s in that modern cities will give point and brainlist
the anwser

A. are less likely to suffer from environmental pollution.

B. can be located farther from supplies of food and fresh water.

C. are more attractive to newly arrived immigrants.

D. can be reliant on one primary product or service for income.

john f. kennedy purpose was to make his argument a strong appeal to emotion in order to make an impact and connection to american citizens. he want to achieve peace by telling the citizens they shouldn't be afraid of other nations.

explanation:

on this day in 1913, henry ford installs the first moving assembly line for the mass production of an entire automobile. his innovation reduced the time it took to build a car from more than 12 hours to two hours and 30 minutes.

answer; ///(1) blank; henry clay; (2) blank; secretary of state; (c)is your answer; ///good luck

a.

congress passed laws allowing for free passage between states.