'since' here means 'because' — providing the reason for their suffering.

'Belong' is a stative verb — not used in passive voice. Correct: 'The land belongs to an old lady.'

'Result' takes 'from' not 'for'. Correct: 'His failure resulted from lack of attention.'

'Voluntary' is the correct spelling — meaning done of one's own free will.

'Accelerate' is the correct spelling.

'Tsunami' is the correct spelling — Japanese word for large ocean wave.

'Put up with' means to tolerate or endure — fits context of enduring sufferings.

'Introduce someone to something' — 'to' is the correct preposition.

The correct idiom is 'in contrast to' or 'in contrast with'.

The correct idiom is 'by fits and starts' meaning to work intermittently.

'Room' here is metaphorical meaning freedom or 'liberty' — from Virginia Woolf.

'Condemn' = to express complete disapproval. 'Denounce' is the closest synonym.

'End in smoke' = to produce no result; to fail or come to nothing.

'Amicable' means characterized by goodwill. 'Friendly' is the best synonym.

'Liability' = debt/obligation. Opposite is 'Assets' = resources with economic value.

'Hate' = intense dislike. 'Admire' = warm regard and approval — the opposite. Abhor and Loathe are synonyms of hate.

A 'hymn' is a religious song or poem of praise to God.

'Dusk' is the darker stage of twilight just before night. 'Dawn' is before sunrise.

'Adherence to the rules' means to follow the rules strictly — fits context of discipline.

'Bestowed on' = to present an honor or gift. 'Bestowed on humans by their creator' is the correct expression.