Answer:
The Vietnam war required the U.S. to put up a lot of manpower to fight and a whole lot more to win. * The Demilitarized Zone (DMZ) in Quang Tri province separating North an South Vietnam was only 60 km wide.
Explanation:
The Aztecs built their settlement in a swamp in what is now Mexico City and when the Spanish arrived they thought it more spectacular than Venice. The Aztecs were fantastic warriors but they were also excellent farmers: because they had stumbled on hydroponics, their floating fields produced an abundance of nutrients in the food they were growing.
The Mayas built some of the tallest buildings of the ancient world – without the use of the wheel, or even horses. The pyramid El Castillo in Chichen Itza is the Mayan calendar, literally set in stone.
<span>the Incas lived in the mountains of South America and had to cross very deep ravines they invented the world's first suspension bridges in spite not having hemp or sisal ropes. They made their bridges out of twisted fibers of long stemmed grass, another amazing feat of ingenuity from an inspired region.</span>
<span>Hope this help :)..........my hand hurts.</span>
.How much will it cost to train the staff to effectively use the machine?
.How many patients will they need to treat in order to pay for the machine?
.Will it provide a significant benefit to the neighborhood or should they spend their money on something else that might serve the population better?
.Will they have to give up a crucial health service in order to have the dialysis machine in the clinic?
I believe it is D, Island hopping.