In the song "revolutionary tea," why do all of the stanzas end with a phrase repeated three times?

Stanzas of the  song  ‘revolutionary tea’ end with a phrase repeating three times because it is based on the format of English country song that uses repetition to improve the quality of the song.

Explanation:

Every stanza of the song ‘revolutionary tea’ has a phrase repeated three times at its end. In the 1750s and early 1760s the British was under severe financial crisis due to several wars. They then decided that the people of the colonies should share some costs.

Taxes were imposed and when people of American colony found it unfair many were repealed after debate and discussion. Finally the only tax that remained was the tea tax. Though it was not a heavy one people revolted against it too. It was on this background the ‘revolutionary tea’ song emerged.

although world war i began in 1914, the united states did not join the war until 1917. the additional firepower, resources, and soldiers of the u.s. to tip the balance of the war in favor of the allies. remaining neutral. when war broke out in 1914, the united states had a policy of neutrality.

seeing as no choices were provided, i'll do my best to answer it from knowledge.

job specialization promotes work ethic to the person doing the job. he/she may be strong in the arms and able to lift things, specializing him/her in a job where you lift and carry.