Question: There may be instances where the guilty party is allowed to remarry but it is not taught in this text
Please fix the punctuation.
Fixed: [There may be instances where the "guilty party" is allowed to remarry, but it is not taught in this text.]

Question: It was the first time the sport Mountain Biking was featured on the Olympic program
Please fix the punctuation.
Fixed: [It was the first time the sport Mountain Biking was featured on the Olympic program.]

Question: The housing consists of 3 bedrooms 2 bathrooms and 1 toilet shower and several accesses to different terraces
Please fix the punctuation.
Fixed: [The housing consists of 3 bedrooms, 2 bathrooms and 1 toilet, shower and several accesses to different terraces.]

Question: In 1916 the University of Chicago celebrated its first 25 years and as part of the QuarterCentennial Celebration they awarded Van Vleck an honorary doctorate on 6 June 1916
Please fix the punctuation.
Fixed:
[In 1916 the University of Chicago celebrated its first 25 years and as part of the Quarter-Centennial Celebration they awarded Van Vleck an honorary doctorate on 6 June 1916.]