Most caste systems in our history were based on a person's skin color. I'm gonna take a guess that it would be the same for this part of the world.
B. <span>a shield of missiles over the U.S. designed to shoot down incoming nuclear missiles from the USSR</span>
Answer: I gotchu
Explanation: The issue is woman not being able to vote. Amongst the most well known people who were involved were several activists: Lucy Stone, Susan B. Anthony, Matilda Joslyn Gage, Abby Kelley Foster, and Sojourner Truth. It happened during WW1 with Soviet Russia, Canada, Germany, Austria, and Poland Czechoslovakia, the United States and Hungary Great Britain, Burma, Ecuador, South Africa, Brazil, Uruguay, and Thailand (1932); Turkey and Cuba, and the Philippines. It then happened in WW2 with France, Italy, Romania, Yugoslavia, and China.
Hope this helped :)
The correct answer is B. the USSR. Many of the leaders of the Nationalist Party in the Chinese Civil War were very inspired by the political ideology at the present time in the USSR. They were also very interested in the military system and were sent to Moscow to study it. However, there was a conclusion shortly after that the Soviet system was not the best system suitable for China. Nevertheless, the Chinese Nationalist Party kept close ties to the USSR.