Before Einstein, it was believed that science was just all about compact summaries and experience during research. When Einstein arrives on the scene, his theory of relativity was able to open new paths towards complicated mathematical equations that other scientists didn't know about. This opened up tons of opportunities that shaped up science and how we calculate various mathematical problems that can be used in various aspects of the world.
1: Battle of Civetot 1096
2:Siege of Antioch 1097
3:Siege of Jerusalem 1099
4: Siege of Lisbon 1147
5:Siege of Damascus 1148
Sorry I don't have enough time to identify the cause events and effects but hopefully this helps you out!
Circle ,navigation,geometry,shapes
The answer is A. a change to the constitution.
Hope i helped ^_^
