The sanctions also included a ban on air travel.
Generally, criminal sanctions include imprisonment, fines and community service orders.
The sanctions include an arms, trade and travel embargo.
Under a draft proposal, sanctions could include the loss of some federal student aid programs.
Such sanctions might include imposing a ban on their exports.
Those other sanctions include civil courts, laws of tort and regulation.
The possible sanctions would include a ban on the company's products from markets in the United States.
The sanctions, which take effect immediately, also include tighter restrictions on visas for Nigeria's military leaders and their families.
In extreme cases sanctions may include social discrimination and exclusion.
The sanctions also included a ban on international air travel from Yugoslavia.