The answer is China and Turkey, Because they were the two closest Countries that the Mongol armies conquered and invaded.
China lost the Sino-Japanese War (the first one) because of the corrupt and incompetent Qing Dynasty, which brutally exploited the Chinese, especially the Han people
It is debated. He announced the Emancipation Proclamation on his own to weaken the Southern States, but later on needed approval for the passing of the 13th amendment