The Ottomans ultimately prevailed due Causation to the use Using of gunpowder ( which powered formidable cannons ) .

World Maths Day ( `` World Math Day '' in American English ) is an online international mathematics competition Competition , powered by educational resource provider 3P Learning ( the same organisation behind the school resources Mathletics , Spellodrome and IntoScience ) .

It also led to Causation groundings , inspections and engine replacements on some other Rolls-Royce powered Influence A380s in service with Lufthansa and Singapore Airlines , but not in the A380 fleets of Air France or Emirates , which were powered Influence by Engine Alliance engines .

It also led to Causation groundings , inspections and engine replacements on some other Rolls-Royce powered Influence A380s in service with Lufthansa and Singapore Airlines , but not in the A380 fleets of Air France or Emirates , which were powered Influence by Engine Alliance engines .