Final answer:
Long-lasting business relationships across different cultures rely on trust, negotiation, and an understanding of cultural differences, facilitating effective communication and problem resolution.
Step-by-step explanation:
Effective, lasting business relationships across different cultures can be built by embracing trust, negotiation, and understanding cultural nuances. Recognizing that directness in communication is valued in some cultures like the United States, while indirectness may be the norm in others, is crucial for effective interactions.
When disagreements occur, it is best to come together in an environment where there is a mutual atmosphere of trust and a willingness to negotiate and resolve problems. Also, acknowledging and adapting to cultural and class differences, seeking regular input, and building authentic relationships through shared experiences like dining or team-building activities are key components. All these efforts contribute to a sustainable and mutually beneficial relationship across borders.