Answer:
A) Extending control over the economy
Explanation:
Both monarchs wanted to have powerful countries: they built magnificent palaces to glorify their power (Versailles and Saint Petersburg), engaged in wars to add more territories, and forced nobility to westernize to improve armies for example, but both failed or missed to give strength and health to country economy, and increased poverty levels in their populations, as all these improvement goals rendered a lot of expenses to the State.
They used the stars to guide them, in the northern hemisphere Polaris is always to the north. They can also use where the sun and moon rise and set. Rises in the east sets in the west.
Trade helped empires gain money, troops, slaves, food and relations with other empires
