Why did u. s cities grow so fast during the mid 1800's?

How did modern american history begin with “contact”?

Which of the following european countries settled the first colonies in america

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.