The correct answer to this open question is the following.
Although there are no options attached, we can say the following.
This new tunnel revolutionized transportation in Europe and overcome this physical barrier because the Swiss engineers built the world's deepest and longest tunnel in the world, increasing the effectivity of train freight transportation across Europe.
We are talking about the Gotthard base tunnel, in Switzerland. According to the article "Swiss create the world's longest tunnel," was so complex to build that engineers and workers lasted 20 years to complete. It is a tunnel for trains. It has 35 miles of longitude and crosses the Alpes mountains.
They did this so when the Mongols took over China, the Chinese could not gain high power and over throw the mongols.
Fall of Constantinople, (May 29, 1453), conquest of Constantinople by Sultan Mehmed II of the Ottoman Empire. The fall of the city removed what was once a powerful defense for Christian Europe against Muslim invasion, allowing for uninterrupted Ottoman expansion into eastern Europe.
Answer:
Correct answer is D. were enslaved states
.
Explanation:
A is not correct because all of them were states since the beginning of war, including West Virginia that became state when Virginia seceded from the Union.
B is not correct as this were the border states that stayed within the Union.
C is not correct as they were actually the factor that was decisive for the outcome of the war.
D is correct as although they were part of Union, they didn't not prohibited slavery, and Lincoln was cautious with that question regarding their role.
Answer: Art and Architecture
Explanation: During the era most of Rome's culture was based off of their Art and the Structures they created
