Final answer:
Infrastructure constraints are a significant challenge for international logisticians, impacting the physical movement of goods and creating practical and costly barriers in international trade and logistics.
Step-by-step explanation:
The international logistician may encounter several challenges in the international business environment, but infrastructure constraints are particularly likely to create frustrations.
Countries with underdeveloped logistics infrastructure can pose significant difficulties for transporting goods, leading to delays and increased costs. These constraints include inadequate road networks, insufficient port facilities, and outdated transportation systems.
Additionally, infrastructure problems like traffic jams and pollution suggest a culture lag where development and modernization have not kept pace with the needs of a heavily populated and fast-moving global economy.
While issues such as cultural differences, currency fluctuations, and economic issues also present significant challenges for international trade, infrastructure problems impact the very physical movement of goods, making it a practical barrier that can be both immediately expensive and complex to navigate over the long term.
Therefore the correct answer is d. infrastructure constraints.