Federalism, which is fundamental for directing national security and economic integration, circulates power between a focal government and local substances. The complicated elements of federalism, clashes, security issues, and economic integration are analysed in this review. Epic showdowns between the national and nearby organizations are normal, especially in the space of security and the economy. Decentralized federal frameworks can block brief reaction, even while unified navigation is fundamental for national security. Guidelines should adjust for economic integration to happen, yet endeavours might be ruined by provincial contrasts in interests. To resolve disputes and maintain order, effective cycles like discretion are required. This theoretical explained how to deal with federal issues despite objectives for economic integration and security by concentrating on case models from around the world.