Answer:A because times are changing hpoe this helps
Explanation:
Answer:
in conclusion that's three ancients contributions that have been with us.
Explanation:
One of Nixon's greatest achievements.
Nixon's greatest achievement was president was to open diplomatic relations with the People's Republic of China. Before Nixon, the US and China had had no diplomatic relations. Nixon felt that relations with China could help to put pressure on the Soviet Union. Therefore, he embarked on a secret intiative to open relations with them.
The answer is domestic system
Answer:
A chain of paths, waterways, and railways was built.
Explanation:
The National Road that was built for moving faster. Paths were costly to develop and sustain, so people appeared up with the plan to construct canals. Stream travel has several benefits over carriage and horse driving, remarkable examples were that the trip was a lot quieter, and explorers could store their goods on barfs if they were traveling downstream. The Erie Canal, onward with other canals, executed it a lot inexpensive to carry goods. At first, engines were towed by horses until the first steam-powered engine began running. The opening of railroads supported for grain livestock, and farm goods to flow straight from the Midwest to East. The railroads further created the four time zones, because of the required time affinity for areas in railroad moving.