Let's first see the meanings of the given words:

Danced = to move around to the rhythm of music by making a series of steps

Functioned = to work correctly; to be in action

Performed = to take part in a play or to sing, dance, etc. in front of an audience

Donated = to give money or goods to an organization, especially one for people or animals who need help

• Dances are always performed by people. 
  
  
• Thus, the only verb that fits in the blank is 'performed'.

Let's first see how we use these prepositions:

On = in a place or position; supported by, fixed to or touching something, especially a surface

e.g. We sat on the beach/grass/floor.

e.g. I live on the other side of town.

At = used to show where somebody/something is or where something happens

e.g. Jatin's at Sheela's house.

With = in the company of somebody/something; in or to the same place as somebody/something

e.g. I talked about the problem with my tutor.

By = used after a passive verb for showing who or what did or caused something

e.g. The event was organized by local people.

• The sentence is in passive voice. 
  
  
• We blank is succeeded by the people who did victory dances. 
  
  
• Thus, 'by' is the best fit for the blank. 

• The sentence needs a verb.
  
  
• It should be in the simple past as the whole passage is in the past tense. 
  
  
• Out of the given options, only 'participated' is the past form of the verb 'participate'.
  
  Participate is a verb in the base form. 
  
  Participation is a noun.
  
  Participatory is an adjective.  

• The structure 'one of' is followed by a singular verb. 
  
  
• This eliminates option A.
  
  
• The sentence is in the simple past tense. Thus, we can easily eliminate 'is' and 'has'.

• "Was" is the best fit for the blank. 

Let's first see the meanings of the given words:

Endured = to suffer something painful or uncomfortable, usually without complaining

Lasted = to continue for a period of time

Resisted = to try to stop something happening or to stop somebody from doing something; to fight back against something/somebody

Persisted = to continue doing something even though other people say that you are wrong or that you cannot do it

• The sentence implies that the torchlit procession dance continued all night. 
  
  
• Thus, the word 'lasted' is the only word that is suitable for the blank. 

Significance: The quality of being significant or important

Safety: The state of being certain that adverse effects will not be caused by some agent under defined conditions

Progress: Gradual improvement, growth or development

Consequence: A phenomenon that follows and is caused by some previous phenomenon

• In the given sentence, the writer talks about the importance of Safe Drinking Water Mission and how it cannot be underestimated.

• Therefore, the word significance is suitable for the blank.

Hence, option A is the correct answer.

• Water is the most important element, and it is no doubt the problem around it continues.

• People hardly get clean drinking water.

• So, the word ‘difficult’ is suitable for the blank.

Hence, option A is the correct answer.

• The sentence talks about a private measure that one can take for safe drinking water.

• When people don’t get clean and safe drinking water, many tend to buy bottled water but that also puts a pressure on their pockets.

• So, costly is the most appropriate word.

Hence, option D is the correct answer.

• In current scenario, water scarcity is a big isstue and everybody should work on finding easy and cheap means for safe water.

• In the given sentence, we are talking about the present scenario; so ‘present’ is the most appropriate word.

Hence, option B is the correct answer.

Ensure: Be careful or certain to do something; make certain of something

Endorse: Give support or one's approval to

Confirm: Strengthen or make more firm

Assure: Inform positively and with certainty and confidence

• In today’s scenario, it is everybody’s duty to make sure that every citizen gets safe drinking water.

• Thus, the word ‘ensure’ fits in the blank contextually.

Hence, option A is the correct answer.