Answer:
Thomas Newcomen
Explanation:
In the early 18th century, more specifically in 1712, an American inventor managed to create a steam engine for a ship. Newcomen was the inventor that came out with this revolutionary inventions for the marine travel. The goals of course was to make the boats and ships much quicker, to not depend on the weather conditions but on their own power, and the man power to be replaced with steam power. Even though the initial steam engine was far from perfect, it managed to inspire many other inventors in the years to come to develop much better and more practical steam engines for ships, which eventually improved significantly the marine transport and warfare.
The major source of conflict between President John Adams and Vice President Thomas Jefferson was that Thomas Jefferson opposed the Alien and Sedition Acts passed by the Federalist Congress, because towards the elections of 1796 the candidate that won the elections was the Federalist John Adams, and the Democratic-
Lowell, Massachusetts was founded in the early 1820s because for many of the mill girls, employment brought a sense of freedom.
A. The civil rights movement.
ballista, or a torsion siege engine