"convincing cause" is a correct and usable phrase in written English.
You can use it when you want to express the idea of a valid justification or strong argument behind an action. For example, "He provided a convincing cause for why he felt the decision should be made."
Since Pythagoras, people have attempted to explain consonance and dissonance, using various methodological means, with limited success and without providing convincing underlying causes.
He reported the association of poor sanitation and lack of hand washing with increased mortality but the thought leaders were convinced the cause was bad humors and so derided his recommendations that he admitted himself to an insane asylum and he died of an infectious disease.
Another missed opportunity came from Baze and Chirrut in Rogue One, though it's already a lost cause convincing me and many other fans they weren't a couple.
The biggest obstacle is President Thabo Mbeki, in other ways a sane and responsible leader, who has inexplicably decided that he is not convinced H.I.V. causes AIDS.
"The evidence is not convincing that these ingredients cause weight loss," he said.
No sacrifice is too great when the cause is convincing young adults that they shouldn't buy health coverage.
Of course, if you happen to move in the same social circles as an MP, you could just bypass the task of convincing 100,000 people a cause is right and convince just the one.
And if you're really committed to the cause, consider convincing your club to take a cue from the green exercise gurus behind Portland's Green Microgym, which harnesses human energy from its retrofitted cardio equipment to power the building.
Steyer, chatting over a Cobb salad and an Arnold Palmer at a hotel in Washington, explained why he decided to dedicate millions to the cause of convincing young people to actually vote, when historical evidence shows them stubbornly resistant to showing up at the polls.
If these sound like causes as convincing as any other, they also reinforce the wider sense there is little wrong with this overstretched team that could not have been solved by shelling out on a strong-arm central midfielder and a high-quality striker last summer.
