Um I'm not sure if i can help you with this questions sorry:(
1. They can be formed bcause of events
2. Cities can also grow on rivers to help grow the poupulation
It affects language by becoming harder for the immigrants to understand and work with the citizens and can also change language overtime.
Answer:
838102059 is your answer
Explanation:
You would set it up just like any other multiplication table. Hope this helped tell me if need more help! Have a great rest of your day!