(Bloomberg) -- Three junta-led nations in West Africa are pulling out of the region’s political and economic bloc, further isolating their military regimes.Most Read from BloombergThree US Troops Killed in Attack Tied to Iran-Backed GroupsTraders Line Up for ‘Once-in-a-Generation’ Emerging Markets BetHouthi Hit on Russian Fuel Has Oil Traders Recalculating RisksStock Market’s Fate Rests on $10 Trillion in Big Tech EarningsSingapore’s $200,000 Toyotas Fuel Angst Over Widening Wealth GapMali, Nige