The correct answer in this case is liberalism.
Socialism is the opposite as it entails (Among other things) the idea of fast changes, if need be with revolution. Neither does utilitarianism talk about social progress through reform.
Libertarians talk exactly about what the question is about; one of the main tennets of liberalism is that they prefer and would like to witness social change through reforms.
Henry the Navigator - He is credited as the pioneer of the Age of Discoveries. He administratively led to the set up of these studies to enhance Portugal's maritime trade and exploration in other continents.
Answer:
How did the Assyrians expand their kingdom in the 800s BCE? by submitting to the rule of Babylonia. by creating an alliance with the Phoenicians. by declaring that all neighboring countries should have monarchies.