Training For Info Manager

There is some key information a manager needs to know before taking on an international assignment. In addition, training needs to be offered to managers beforehand. The goal of individual assignment is to identify some of the important aspects of training and information.
Using a word processing program, respond to the following:
If a manager is trying to obtain an international assignment, what main cultural information does s/he need to know or get familiar with beforehand?
How extensive should the training be?