The League of Nations did not do as well as it could have because the United States did not participate in it.
The answer to your question is b
Answer:
In a presidential system, political and administrative powers are divided between the executive, legislative and judicial branches. In a parliamentary system, Parliament is sovereign and executive authority
Explanation:
I believe the answer would be b and c because African Americans were considered property in the south and wanted freedom and equality which is why they joined the war in the first place