Answer:
In my opinion
World War I is the climax of all the contradictions that exist in European countries. Before the outbreak of World War I the situation in the European region had heated up, there had been competition between countries in Europe. At that time Europe was divided into two rival camps. The existence of a Triple Agreement from France et al and the Triple Alliance from Germany et al. With the breakup of two camps, from 1908, several crises had tested competing alliances, pushing Europe closer to the War. Specifically, the Bosnian event involved Russia, Austria-Hungary, and Serbia. This incident contained a lot of material which eventually waged a war in 1914.
1. many irish immigrants came to america to escape a famine - push factor
2. many chinese immigrants came to america to work on the transcontinental railroad - pull factor
3. many russian jewish immigrants came to america to escape harsh treatment - push factor
4. many scandinavian immigrants came to america for land that the us government made available to new settlers in the midwest - pull factor
So serious that they had left England, primarily for religious freedom but also because they did not agree with the British ruler<span />
