Sentence examples for wasn't obligatory from inspiring English sources

The chador wasn't obligatory back then; Hindu women didn't wear it.

But the historical context was not obligatory in the curriculum.

Religious exercises wrere given, but it was not obligatory for any boy to attend.

If asked, he explained that the full admission price was not obligatory.

I was no expert, but many Muslim scholars said the full veil was not obligatory at all.

It was not obligatory to reply to letters from readers who included a name and address but I generally did.

But it was not obligatory, and developers just ignored it as they could make easy money from continuing with leases.

The endometrial thickness was not obligatory documented.

Identification was not obligatory, though 26 were willing to be identified in a participant list.

For every question, the children could nominate up to five classmates, although this was not obligatory.

Student attendance of the course sessions was not obligatory in either course.