Answer:
The new world meant Evangelization opportunities, Expansion not only for The countries but for the Catholic religion.
Explanation:
During the Age of discovery(15th-17th century), the catholic church was very interested in this new land, and catholic missions were sent to spread the Christianism and convert the Natives of the Americas.
The reason behind this evangelization process is that for Portugal and Spain Empires the religion was an integral part in their country, Religion ruled these countries at such rates that they even controlled the decisions being made in the empires with the Patronato, a system by the catholic church that permitted the actions made by the kings. The state responded to the Holy See. So the catholic Church viewed this new colonies as a way of expanding their religion to natives that were beleived to be lesser beings in need of enlightment from the holy church.
The people who would most likely support imperialism here would be capitalists and the media. Capitalists because they can produce much higher amounts of goods for a much lower price - exploiting the local population, and the media because they have stories to talk about which sell :)
The debt caused Britain to tax the colonists, which made the colonists angry
I'm 90% sure that they protested to the taxes
The two warring classes of The Communist Manifesto are the bourgeoisie - the capitalists, or the owners of the means of production and the working class, called the proletariat, which works for wages and does not (directly or personally) own the company they work for.