U.S. Secretary of State John Kerry says the best way for governments to stop extremist groups is to fight corruption and reduce poverty. Kerry was speaking during a visit last week to Nigeria. He met with the country’s top Muslim leader, Sa’adu Abubakar, Sultan of Sokoto, in northern Nigeria. Kerry said it is up to governments to give people reasons not to join extremist movements. “To win the struggle for the future, nations need to do more than just denounce bankrupt dead-end ideologies that the terrorists support. They also have to offer their citizens an alternative that is better.” Kerry added that people who believe the government system is failing them may eventually become demoralized. The Secretary of State condemned the Nigerian-based Islamic extremist group Boko Haram. The group has been fighting for seven years to establish an Islamic government in northern Nigeria. It has so far killed more than 20,000 people and displaced up to 2.7 million.