...he believed in the limited use of federal power but also that states were not truly sovereign.
I cannot do this entire thing for you, but I can help.
A cause is the thing that forces something else to happen. So, that could be anything. The effect is what comes after the event.
For example, the driver was texting while driving. That is the cause. He hit a girl. That is the event. He girl was injured. That is the effect.
Hope that helps!
- - William the Conqueror was considered an important monarch because he took down/seized the throne to England.