What are the main causes of World War I?

I'm writing an essay about WWI and need help understanding the complex causes that led to the war. Can someone explain the main factors?

How do I solve quadratic equations using the quadratic formula?

I'm having trouble understanding when and how to use the quadratic formula. Can someone explain the steps and provide an example?

What is the difference between arrays and linked lists in programming?

I'm learning data structures and I'm confused about when to use arrays vs linked lists. What are the advantages and disadvantages of each?

How do I calculate the derivative of a composite function?

I'm struggling with the chain rule in calculus. Can someone walk me through the steps with a specific example?

What is the difference between SQL and NoSQL databases?

I'm learning about databases and I'm confused about when to use SQL vs NoSQL. What are the key differences and use cases for each?