A. Traditions is the answer because what they follow is what they practice and what they practice is their customs to follow.
Answer:
The stock market crashed.
Explanation:
The stock market crashed and so people got upset because then their money lowered and then people began ending lives because of the Great Depression.
Take notes! write down what your teacher writes on the board, only write down what you don't know or want to study up on later. Rewrite in your own words so you understand what they are saying.