Answer:
Will demonstrate their strongest as a Empire.
Step-by-step explanation:
Back then, an Empire was catalogued as strong if it had many colonies under its almighty power. Mainly because people believed that mighty empires were blessed by god only.
Also, the economic issue was a reason to keep the expansionist policy. For example, The Empire of Spain, one of the reason that Colon could travel to the Americas, was actually the lacking economy that Spain was having back then.