It was easy for the Muslim army of the Arabs to conquer much of persia and parts of the Byzantium empire because bothe the persian and the Byzantium army were weak due to years of fighting among themselves. The Arabs did not have to face any tough resistance from either the Persian or the Byzantium army. During the first century, the byzantium army did not like fighting open battles and they mostly were in the defensive. Although during 740 the Byzantium army came out for open fighting with the arabs, but still they were battered with heavy artilerry by the Arab army.
World War 1 led to depressions in Germany, Italy, and the Soviet Union, and many more places which in turn caused powerful people to rise in many different countries. These countries in which a person in power rose each had some part in the start of World War 2.
In Tinker v. Des Moines, the Supreme Court ruled that the wearing of a black armband in protest of the Vietnam War was not a substantial disruption of the school environment and was therefore protected speech.
It is the first major case to determine the speech rights of students.
In Hazelwood v. Kuhlmeier, the Supreme Court placed a limit on the speech rights of students when it ruled that it was permissible for a school to censor the actions of a school newspaper.
This is important as it provides a limit on the speech rights of students.
At issue in both cases are how the speech is disruptive to the school environment and many cases since then have hinged on the importance of the speech (protest in Tinker v. spreading gossip in Hazelwood) and the manner in which the speech is undertaken.
It could be argued that a result of the Declaration of Independence was "<span>a change in the purpose of the Revolutionary War," since now there was "no turning back" when it came to the colonies becoming independent from Great Britain. </span>