For the easier and quick understanding of the law students and legal professionals, this book has been written, on account of studying this book, students and legal professionals are able to plead and argue effectively in a court and police departments towards justice claiming and fault proving .This book deals comprehensively and elaborately about basic notions, concepts and meanings of the international relations in politics, social, economic and science. How far their influences are influencing in a country's domestic and international aspects have been quoted lucidly, it will take the readers to get pride and honor from the host parties when they talk and read well about its importance and significance to this humanities growth and interest.To shape students and legal professional's wisdom in international relations' themes, this book will guide and give more information to pass in their respective legal exams and understand international legal mechanism. International law has been made and composed by the international treaties, sources, conventions, wars, protocols, mediation, conversations and diplomacy, to understand this fully all should read this book to have a good life.