<span>Good Morning!
</span><span>C. Fish could no longer survive because of the decreased salinity.
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The Aral Sea is now less than 10% of its reserves due to poor management of its transposition. In addition, a process of intense desertification began to occur, which contributes to its reduction. The contamination occurred due to the transposition process and to this day there are problems for the region. Desalination, however, is not an aggravating problem for fish death in Aral.
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Located in South East Asia and approximately 10,000 miles away from the Continental United States the Vietnam climate and geographical plains made it hard to travel and transport supplies.
Much of Vietnam, especially the mountains is covered by dense jungle (The Embassy of the Socialist Republic of Vietnam in the United Kingdom) Has 2 major rivers used largely for transportation.
Southern Vietnam was bordered by Laos and Cambodia and Was divided by the US military into FOUR sections making communication and back up difficult. also, the United States at the time were not trained widely for jungle battle, and were extremely vulnerable for surprise attacks.
Answer:
During the Civil War , federal powers expand to include an income tax and a national currency.
I think XMOJO is correct.