How did the ideas of nationalism and imperialism influence the Spanish in their explorations and conquests in the New World?

How did the ideas of nationalism and imperialism influence the Spanish in their explorations and conquests in the New World? How did the mercantile system contribute to the development of the colonial economy of the Spanish Empire? Why did England begin the settlement of North America? Through what means did England fund such settlements? What was the first settlement; what was the first “successful” settlement? What were some of the initial problems with the English colonies? Ultimately, what made English settlement of Virginia successful? How did the English colonies in America develop their economies? What was the role of slavery in economic development there? What was the English government’s approach to regulation of the colonial economy? What was England’s attitude towards its colonies between 1620 and 1764? What happened to make the relationship change? How did England and the North American colonies relationship change after 1764? What were the repercussions of that change?