The answer to the given description above would be the city of DETROIT. The United States city that <span>experienced a public health crisis after its water supply was switched from lake huron to a nearby river is the city of DETROIT. Hope this answers your question.</span>
B and D??? Sorry if incorrect but its my best guess
Answer: no answer needed
Explanation: where is your question?
The United States feared that if communism was successful on Vietnam, the rest of the countries that border it would soon turn into communism and those other countries that border that new communist country would also be converted to communism and so on. This is called the "domino theory" and made the United States to send troops to prevent the theory from happening.