Answer:
They were concerned about the government having too much power.
a) They are elected by popular vote for 6 years
Here is the excerpt from A Rumor of War which best illustrates Vietnam's uncomfortable climate:
<span><em>The tedium was occasionally relieved by a large-scale search-and-destroy operation, but the exhilaration of riding the lead helicopter into a landing zone was usually followed by more of the same hot walking, with the mud sucking at our boots and the sun thudding against our helmets while an invisible enemy shot at us from distant tree lines.</em></span>
The Constitution<span> provides that an </span>amendment<span> may be proposed either by the Congress with a two-thirds majority vote in both the House of Representatives and the Senate or by a </span>constitutional<span> convention called for by two-thirds of the State legislatures.</span>
