“From now on, we say, whether you're from Mali, Niger or Burkina, we have the same destiny. We're going in together,” said Burkinabe Premier Appolinaire Joachim Kyelem de Tambela at a joint press conference in Niger's capital Niamey.
In a show of independence from France and ECOWAS, the three countries have sought to forge closer security, political and economic ties through a new union called the Alliance of Sahel States (AES). The countries have shared few specifics about the new alliance or their plans, but Niger's Premier Ali Lamine Zeine said all future cooperation would be done trilaterally. “We have now decided to hold unified joint commissions for all three countries,” Zeine said at the press conference that was interrupted by loud chants of support.
https://www.sabcnews.com/sabcnews/military-led-sahel-states-rally-thousands-to-support-alliance/
It won't work, how will they decide how taxes should be handled, and how and where investments should be made?