Concurrent powers is power that is shared for example there is the power to borrow money, the power to build roads etc..
The five pillars of islam are 1. Shahaadah (testimony of faith)
2. Salat (prayer)
3. Zakat (almsgiving)
4. Sawm (fasting)
5. Hajj (pilgrimage)
Well I would have thought it’s changed in costumer spending so I personally would go with decreasing consumption