When was kenny rogers all in for the gambler recorded

Which of the following is not true of american cowboys?

What city of ancient russia was heavily influenced by the byzantine merchants?

Which of the following is an example of the pull factor known as economic migration? a. better educational opportunities pulling people towards a new country b. mexican laborers entering the us to work in agricultural jobs c. joining family members that are already in a new country d. crop failures driving people away from their country i am unsure on this question, i was thinking b? but i could be wrong.