Final answer:
The rapid expansion of world exports since 1980 demonstrates that the opportunity to increase sales by exporting is a viable growth strategy.
Step-by-step explanation:
The rapid expansion of world exports since 1980 demonstrates that the opportunity to increase sales by exporting is a viable growth strategy. International trade allows even small economies to take full advantage of economies of scale by reaching a larger customer base and benefiting from lower production costs. Additionally, competition from international markets can motivate domestic businesses to improve their products and become more competitive.