It shortened the travel time and distance and improved trade.
The ppl who lived on the North Africa could easily mine salt, but not gold. They craved the precious medal that would add so much to their personal splendor and prestige. These mutual needs led to the establishment of long-distance trade routes that connected very different cultures. HOPE THIS HELPS!!
A. Hieroplyphics is the answer :)
The Us were able to find same Cuban products from other supplier countries, while the Cuban country had to find other suppliers.
Cuba was not able to develop a high commerce with the US and the surounding countries were not necessarily the best ones to make business with. Cuba had the support from the former USSR until 1989 when it was disolved. Russia continued helping but not at the same level or amount as before.