Why did the spanish begin importing slaves from africa to work in the americas beginning in the 16th century?

Why did many americans want the united states to cuba gain independence from spain? cuba was rich in natural resources, including gold and oil. cuba would provide access to the pacific ocean through a narrow strait. the united states had strong economic ties to cuba. the majority of cubans expressed interest in becom ing a us state.

What is one economic change related to smartphones? the use of electronic paythe use of tellers in banksa decrease in automationan increase in automation

What were significant events and outcomes of the crusades?