What made cumerland road important during the 19th century?

It was the first time a road went to many towns and cities.

Explanation:

The National Road, in numerous spots known as Route 40, was built somewhere between 1811 and 1834 to achieve the western settlements.

It was the primary governmentally financed street in U.S. history. George Washington and Thomas Jefferson trusted that a trans-Appalachian street was essential for binding together the youthful nation. In 1806 Congress approved the development of the street and President Jefferson signed the act setting up the National Road. It would associate Cumberland, Maryland to the Ohio River.

the growing interconnectedness of the world through communication, trade, and the exchange of ideas is an important theme in the history of the 20th and 21st centuries.

explanation:

was found at b)south carolina