Site Management Solutions, Inc. of Columbia Maryland, is a data center design and management consulting firm. Site Management Solutions employees sign an initial two-year employment commitment and the most promising employees are given extended job tours overseas. Since overseas experience is highly desirable, giving the employees a chance to command much higher salaries, prior to being posted overseas employees agree to work for a specified additional time upon their return to Maryland. Jeff worked for Site Management Solutions, but then he quit and formed a competing company which he called Data Center Design, Inc. His new company contacted Site Management Solutions employees by phone, offering higher salaries and bonuses if they would come work for Data Center Design. At least 10 former Site Management Solutions employees, several of whom had recently returned from overseas, left their jobs without completing their contractual obligations and went to work for Data Center Design. Site Management Solutions sued. On which tort did they most likely base their suit?

		Interference with international business relations.
		Tortious interference with a prospective advantage.
		Tortious interference with a contract.
		Contractual negligence per se.