The correct answer is A,I guess
Answer:Examples of third world nationalist ideologies are African nationalism and Arab nationalism. Other important nationalist movements in the developing world have included Indian nationalism, Chinese nationalism and the ideas of the Mexican Revolution and Haitian Revolution.
Explanation:
Major General George B. McClellan was able to obtain full details of Lee's plans but he failed to act until it was too late. By the time McClellan took action 18 hours later, Lee had already placed his troops in strategic positions around Antietam Creek. McClellan's troops outnumbered the Confederate forces by three to one but he was over cautious and failed to exploit this advantage.