Answer:
26 years
Explanation:
The National Road (also known as the Cumberland Road) was the federal government's first significant improved highway in the United States. The 620-mile (1,000-kilometer) road, built between 1811 and 1837, connected the Potomac and Ohio Rivers and served as a major transportation route for thousands of migrants heading west.
Thomas Savery's steam<span> pump. The industrial use of </span>steam<span> power started with Thomas Savery in 1698. He constructed and patented in London the first </span>engine<span>, which he called the "Miner's Friend" since he intended it to pump water from mines.</span>
<span>all thirteen states had to approve and Rhode Island voted no </span>
