Fill in the Blanks

 Wherewithal is the necessary means. It is the correct answer as it represents all the necessary aids required. Guts is fortitude and determination. It is used with living things so is not the correct answer. Resouce is the source of support or aid. Resource is in a singular form hence is not the correct option. Momentum is an impelling force or strength hence is not the correct option.  

 Provocatively means tending to provoke or excite. It is the correct answer. Niggardly means petty in giving. It does not fit the context. Scantily means sparsely or barely. Gramatically it is not the correct answer.

 Rabid means marked by excessive enthusiasm for a cause. It is the correct answer. Extremist means views far beyond the norm. Grammatically it is not the correct answer. Fanatic is a person motivated by irrational enthusiasm. Grammatically it is not the correct answer.

 Options 1, 2 and 3 all mean ungenerous hence option 4 is the correct answer.

 Exuberant means to be exhilarated or cheerful. It is the correct answer. Options 1, 2, and 3 do not fit the context.

 Prudent means sensiblle and careful. It is the correct answer.

 Armageddon means a field of battle. It is the correct answer as grammatically it fills the blank.

 Doormat means a person who is physically weak or ineffectual. It is the correct answer. Minnow means a small or insignificant person. It is in singular form so is not the correct answer. Foolhardy means reckless and does not fit the context.  

 Imbroglio means a confusing and embarrassing situation. It is the correct answer. Stand off means a tie between two parties. It does not fit the situation appropriately.

 Lackluster means lacking brilliance and is the correct answer. Banal and exuberant do not fit the context.

Insipid is the correct answer.

 Smeared is the correct answer as only this option can be used with the given preposition.

 Ubiquitous means being present everywhere. It is the correct answer. Rare and abundant do not fit grammatically.

 Consummate means to complete a marriage and is the correct answer.

 Ignominious means disgraceful and humiliating. It is the correct answer.