Answer:Harriet Tubman was enslaved, escaped, and helped others gain their freedom as a “conductor" of the Underground Railroad. Tubman also served as a scout, spy, guerrilla soldier, and nurse for the Union Army during the Civil War.
Steam-powered trains first began to gain traction in the United States in 1830.
<em>Tom Thumb, </em>built in 1830, was the first steam locomotive built in the United States, and the first to operate in the United States. It operated on the oldest rail company in the US, the Baltimore and Ohio Railroad, also established in 1830. From the 1830s to 1860s, there was much expansion of railroad building and locomotive travel in the US.
The main reasons why the Europeans explored unknown territories were to find gold, spices, spread religion, and to find new trade routes.
<span>As part of the war effort, the government rationed foods like sugar, butter, milk, cheese, eggs, coffee, meat and canned goods. Labor and transportation shortages made it hard to harvest and move fruits and vegetables to market. So, the government turned to its citizens and encouraged them to plant "Victory Gardens." They wanted individuals to provide their own fruits and vegetables.</span>
