Answer:
I think answer B is the best answer
Explanation:
Number 6 is D
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Tecumseh regarded the treaties that had been previously negotiated between Native American tribes and the United States as illegitimate and against the interest of the Native Americans. Tecumseh sought to create a confederacy of Native American tribes to fight against the U.S. to prevent expansion of white settlements into Native American lands. Tecumseh also threatened to ally with the British against the United States which Tecumseh later did. Tecumseh ultimately died during this conflict and the British-Native American alliance was defeated.
Boats and railroads were improved with the use of steam power.
The answered to your question is rudder. The rudder is a fin-like object on the back of a ship. It allows the ship to not rely completely on the sails to change direction.