How will the curse of the confusion of tongues be brought to an end?

Answer

"For then will I turn to the people a pure language, that they may all call upon the name of the Lord, to
serve Him with one consent." Zeph. 3: 9.

By what is this cleansing from sin and fitting for God's service accomplished?
Of what were the works of Abraham an evidence?
By what commands has God guarded the marriage relation?
What will be the fate of the one who curseth his father or his mother?
Why, under these plagues, does the Lord give men blood to drink?
Why is sorrow better than laughter?
What did Christ learn through suffering?

Questions & Answers are from the book Bible Readings for the Home Circle