List examples of continued continually shifting population and densely populated urban areas that have shaped u. s. population patterns

What nitrogenous bases are found in rna

The platt amendment of 1901 forbade cuba from entering into any treaties that would allow undue foreign involvement in cuban affairs. this law was passed after the spanish-american war to make sure that european nations weren’t going to get involved with cuba. 1, why might the platt amendment be considered ironic? 2, what reasons would the united states have for not wanting european influence in cuba?

Name that largest artificial lake built in the 11th century