Some countries allow little freedom because they will have less power over people if they gave them more freedom. Hope it helps :D
If a nation is very small they could only accept a certain amount of people. They are small so they only have so much food, space, etc. to provide for its citizens. Though if the nation was large such as the US or Canada they can be a little less strict and allow more people in.
Written constitutions hold value in legal systems, while unwritten constitutions are held simply by morals, and are sometimes valued in legal systems.
Answer:
The alliance system, which were the triple alliance formed by Germany,Italy and Austria-Hungary and the Triple Entente formed by UK,France and Russia.
The alliance system had caused great suspicion among the nations, as the alliance system was meant to be kept secret. The nations would be wary that they were to start war as they found backups for themselves.
It also support a nation's will to start a war as they would have back up, this urged WWI to happen.For example, with the support of Germany (blank cheque) Austria-Hungary sent an ultimatum to Serbia,which was impossible for Serbia to fulfill, finally lead to the outburst of WWI.
In addition, the system would enlarge the war scale to become a world war as one another would be drag into the war if one were involved.
Explanation:
The main reason was that so they get to have the land.