How is surface and ground water used

The platt amendment was a treaty that allowed the united states to build military bases in which country?

In the introduction of becoming mexican american, sanchez draws from stuart hall's notion of cultural identity (pg. 12-13). hall asserts that identities are enmeshed in "becoming and of being." they are subjected to the elements and context of history. explain what you think he means by the idea of becoming and being and explain how context fits into comprehending the american concept of manifest destiny.

Imagine that the value of the us dollar rises compared to the canadian dollar for many months. what effect is this likely to have on the amount of goods the us imports from canada?