Nigeria’s upcoming elections may be as momentous as they are mammoth: More than 20,000 candidates from 91 registered political parties will square off in presidential, gubernatorial, and parliamentary contests that observers hope will strengthen the co …

After a 2016 recession blamed mainly on low oil revenues and unchecked corruption, Nigeria’s economy has been showing signs of improvement. Despite foreign-exchange shortages, poor infrastructure, and likely political tensions ahead of the February 201 …