"There's been a deliberate and systematic effort to convey to countries around the world, friends and foes, that if they cross the United States there's a price to pay"

The quote by Sandy Berger reflects a perspective on U.S. foreign policy that recommends a proactive and tactical position in international relations. Berger indicates that the United States has intentionally and consistently interacted to other countries, despite their relationship with the U.S., that actions against American interests will result in effects. This method functions as both a deterrent and a mechanism to keep worldwide influence.

Firstly, the phrase "purposeful and methodical effort" suggests a well-thought-out and organized method rather than spontaneous or separated actions. This suggests that the United States has an overarching foreign policy structure designed to secure its interests. Such a strategy most likely includes diplomatic channels, financial steps, and military postures that are thoroughly coordinated to communicate this message worldwide.

Making use of the terms "buddies and enemies" highlights that this communication is not restricted to adversarial states but encompasses allies too. For allies, this might function as a tip of the significance of alignment with U.S. policies. For adversaries, or possible hazards, it underscores the threats related to hostile actions against U.S. interests.

The statement "if they cross the United States" recommends that there are specific actions or limits that are deemed inappropriate by the U.S. federal government. Crossing this line might trigger numerous forms of retaliation or repercussions, ranging from diplomatic seclusion to economic sanctions or even military action.

Lastly, the phrase "there's a cost to pay" underscores the idea of accountability and retribution in global relations. By ensuring that hostile actions have consequences, the U.S. seeks to avoid future conflicts and preserve its position of power on the global stage.

In summary, Sandy Berger's quote reflects a tactical message of deterrence communicated through a calculated foreign policy method, aimed at protecting national interests and global stability by making it clear that there will be repercussions for tough U.S. authority.