Las sociedades feudales eran sociedades estamentales. Estas presentaban 3 estamentos: nobleza, clero y el pueblo.
<u><em>The Mir Space Station was in orbit for an astonishing 15 years, being the first modular space station public ally known!</em></u>
The Mir Station is no longer in orbit and was destroyed upon forced reentry by the Russians in an attempt to get rid of it, so it is NOT A.
Does the word "Mir" sound American to you? Well I certainly hope not, because it isn't, so it is NOT C.
If it isn't A, and it isn't C, it can't be all of the above, so it is NOT D.
So the answer is B by process of elimination!
Answer: Concerns over the Cold War affected these two countries' space endeavors.
After the Soviet Union successfully launched the first satellite, Sputnik, into space, the US was concerned that the Soviet Union would utilize this technology to launch nuclear weapons from orbit.
Explanation: Following World War II, the Cold War was a period of geopolitical tension between the United States and the Soviet Union, as well as their respective allies, the Western Bloc and the Eastern Bloc.
The Battle of Antietam, also known as the Battle of Sharpsburg. 22,000 casualties, actually.