Advocates generate reams of numbers to substantiate their preferred outcome.
Paperwork would have to be provided to substantiate their losses not easy years after the event.
But the Saudi official who identified Mr. Harbi today did not provide any further information to substantiate their identities.
"We've asked them to give us anything that would substantiate their claim and we've gotten zippo, nothing".
The Foreign Office declined the request, noting: "The South Africans were able to produce no evidence to substantiate their claims".
Leaders must constantly substantiate their claims to leadership by demonstrating the effectiveness of their influence on the followers.
Remind students to refer to the New York Times article and to the research gathered for and presented in the debate to substantiate their views.
Nor do they do quite enough to substantiate their claims that without Truman's help, Israel might never have come into being or have survived its first few years.
"There are probably still billions of dollars lying dormant," says a specialist, because under existing rules applicants must substantiate their claims.
There was no immediate sign of the amateur video footage or photographs that activists often post to substantiate their claims of military success.
Individually, in an essay, students re-answer the same question based on their real personal opinion but this time, incorporating facts and information from both New York Times articles and the classroom discussion to substantiate their opinions.
