Which theme best describes american history until 1877?

In which era does vietnam war fought and what was the reason?

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.

While most people who lived in ancient egypt and the middle east avoided settling in nearby deserts, those regions protected them from their enemies. why do you think this was true?