Answer:
The British wouldn't kowtow
Explanation:
Great Britain wanted to open trade with China as it was the main mission of exploration. They had hoped to gain access to the goods China provided. As with all of China's trade partners, they expected a sign of respect shown to the emperor before trade could begin. The British traveling group were asked to bow in front of the emperor to seal the deal. The envoy refused as they could only bow to their own king, which got them thrown out for the time being.
Answer:
The answer would be C. Germany and Russia.
Germany was excluded because she lost WW1 against The Allied Forces and Russia didn't join The League Of Nations because she retreated from the war before the war actually ended.
Because the only way (back then) to process and make sugar farms was through manual labor. Since the Americans didn't want to put effort onto their own sugar farms, Africans were forced to do the labor part for them.