If you're referring to Napoleon's Spanish Iberian peninsula campaign between France and the coalition of Spain, Portugal and England from 1808-1814 there were three critical reasons for its failure and one main critical importance for its failure.
The three critical reasons for its failure:
1) Napoleon greatly underestimated the fierceness and will of the Spanish fighting spirit.
2) Chiefly because of reason 1) above, the vastness of the Spanish frontier and the resources required to occupy & hold territory bled his army dry.
3) Napoleon did not expect the coalition arrayed against him to hold as strongly as it did.
The main importance of its failure was that, due to Napoleon's overly ambitious tenancy to overstretch and string-out his resources, his other armies in other theaters of war were left under strengthened.
Humanism was characterised by lots of creativity and interest in the Arts and Humanities brought about by increased scientific knowledge, a renewed approach to ancient Greek-Latin texts, as well as to thorough consideration of the art of governance, or what might make a modern and open education possible.
<span>How did the first Five-Year Plan strain China’s budget?
a. The government increased spending too fast to modernize its economy.
The strain on national budget was due to the increase in fiscal expenditure, from 30.2% to 48%, through infrastructure loans. </span>
The significance of the plane selections made by the terrorists on September 11 lies in the fact that all <span>four planes were traveling long distances, so they would have significant fuel on board to burn in the crashes. The correct option among all the options that are given in the question is the second option or option "B". </span>