It's been a while since I read Caesar (like a few months), but the conspirators made sure to arrange a meeting with Caesar so they could assassinate him against his knowledge (sorta, I think he suspected they would kill him)
Weather condictions can make woriors slip and fall
Mexican immigrants wanted to escape poverty, war, turmoil, and even persecution for certain groups
Answer:
The Awnser is: The African Slave Trade.
I hope this helps you out :)
