Jews pray in a synagogue, like Church for Christians- Sabbath is a day of religious observance for Jews, and Kosher is the foods and drinks they consider religiously permitted, like Halal for Muslims.
Answer:
Terrorism is using violence or the threat of violence against civilians for political goals. It has been used in the 21st century against a number of countries. Some examples of terrorism are the 9/11 attacks in America, and an attack in Paris as well, and that's just a few of the attacks. There has been a 61% increase in terrorist attacks in the past year.
The immediate cause of World War I that made the aforementioned items come into play (alliances, imperialism, militarism, nationalism) was the assassination of Archduke Franz Ferdinand of Austria-Hungary. In June 1914, a Serbian-nationalist terrorist group called the Black Hand sent groups to assassinate the Archduke.