That section of Article 2 was based on John Dean stating that in a conversation, Nixon rages to the effect...."can't we use the IRS..."
It was not done, which the reason for the word 'endeavored....'
"endeavoured to obtain from the Internal Revenue Service, in violation of the constitutional rights of citizens, confidential information contained in income tax returns for purposed not authorized by law, and to cause, in violation of the constitutional rights of citizens, income tax audits or other income tax investigations to be intitiated or conducted in a discriminatory manner."