The main cause was the assassination of Franz Ferdinand who was the archduke of Austria. He was assassinated by Gavriollo Princip who was Austrian - Hungarian. Those two countries were constantly in conflict because Hungary wanted to separate and once those countries went into war over the assassination their allies had to join being the rest of Europe. <span />
Answer:
1 gravity
2 friction
3 force
4 gravity
5 gravity
6 force
7 friction
8 gravity
9 friction
10 friction
these are what i think, its basic year 6 science
Answer:
faults can cause sudden earthquakes when the tension of the tectonic plates build up and then releases