To overcome the threat of competitor countries in the world.
Answer: Bull run
Explanation: The first battle of bull run (also known as the first battle
of Manassas) was the first major land battle of the civil war
I believed the answer is 4. It makes sense because, after the agricultural revolution, people switched from hunting and gathering to crops and needed necessary tools to do that. Number 1 doesn't really make sense because in the Classical Era, they created religions early, so it's not it. B doesn't really make sense and 3 is wrong because they still used animals.
That would be the Treaty of Paris. It was an article of peace suggesting the end of the Revolutionary War with Great Britain. In September of 1783, the treaty was signed, making the end of the war official.
Hope this helps!
The caravel was a type of ship, so C would be the answer