Answer:
An alliance is a union or association formed for mutual benefit, usually between countries or other organizations. This is seen as one of the causes of WW1 because countries involved in the developing conflict brought their allies into it as well. Serbia relied on their allies such as Russia, France, and Britain, while Austria called on the Ottoman Empire and Germany.
Answer:
In philosophy, economics, and political science, the common good refers to either what is shared and beneficial for all or most members of a given community, or what is achieved, by citizenship, collective action, and active participation.
Explanation:
Belgium's ports were close to the British coast and German control of Belgium would have been seen as a serious threat to Britain.
The answer is Douglas A. MacArthur
I hope this helps