Explanation:
After the American attack on Guánica during the Spanish-American War, Spain surrender Puerto Rico (along with the Philippines and Guam). They were then given over to the United States under the Treaty of Paris signed December 10, 1898
Not 100% sure but I'm pretty sure siam was one of the only ones to escape colonization. look at effects on neighbouring countries?
Even though the map wasn't provided, it is possible to answer the question by saying that the correct alternative is letter<em> A: Nazi leaders wanted to keep the existence of extermination camps secret.</em>
The extermination camps were built to murder sistematically jewish, communist and all other kinds of people that the Nazi considered inferior. The idea was to have them in hidden places so as not to cause commotion.
Answer: Aksum was also well known to the Greeks and the Romans, and later to the Byzantines, the Arabs, and the Persians. For most of the 3rd and 4th centuries CE, it was Rome's biggest trading partner to the West.
Explanation:
Aksum developed a civilization and empire whose influence, at its height in the 4th and 5th centuries C.E., extended throughout the regions lying south of the Roman Empire, from the fringes of the Sahara in the west, across the Red Sea to the inner Arabian desert in the east. The Aksumites developed Africa’s only indigenous written script, Ge’ez. They traded with Egypt, the eastern Mediterranean and Arabia.
Explanation: The Battle of Gettysburg was a turning point in the Civil War in that Lee's failure to take the war into the North showed the limitations of the Confederate cause and made it so that the war would be contained to and thus the damages would be felt exclusively in the South.