Imagination can overcome reason when for example a person is paranoid about someone or something and conjures up possible fearful situations or scenarios that could result from being in that situation or with such and such people when in fact the actual living of that situation is usually far less fearful than imagined but it can immobilize a person if he/she succumbs to their imagination.
Cause you to become distracted and fall behind in yours or someone else's work.
Answer:
A conclusion that is in favour:
"Using public money to maintain national landmarks is a good policy in the sense that a national landmark is a public good: no one can be excluded from enjoying the view of a national landmark like the Arch in St. Louis for example.
Because they are public goods, national landmarks are not likely to be profitable or provided by the private sector in a free market, and for this reason, government intervention in the form of public money becomes necessary".
Answer:
The simile in the poem is Like an army defeated the snow hath retreated . It means that in winter season the whole landscape was covered with snow but with the advent if spring season with its bright sunny days , The snow has melted away .