there 3 level in all of them
Boss
Mafia Wars Cuba.
Mafia Wars New York : Travel to the Old Country, Boss Tier Job Level 100+ Mafia Wars Cuba : Meet With "The Russian", El Cacique Tier Job Level 151+ Mafia Wars Moscow : Still Waiting for this section
You get to level 2 in the Boss tier by finishing all the jobs in level 1.
Reach level 100.
Get to level 100 +
you get it from a boss fight at level 99 in NY but I'm level 248 and i haven't seen no boss fight with the mayor.
Do job "Make a Deal with the Mexican Cartel" at LEVEL "BOSS (lvis100+)
No, the job is unlocked at level 105 in the Boss category
NY> Under boss > Take over and Identity Theft Ring
There are no levels in NY after Boss in Mafia Wars. This is why they developed Cuba. Now you can keep on playing but...not in New York.
The boss tier make a deal with the Mexican cartel it is a loot drop
you will need approximately 368 Blackmail Photos to complete the Boss job tier.