There are many factors that can cause a conflict to happen. It can be difficult to explain why a war occurs and it can be intertwined in a complex way. War often stems from one countries desire to take over another' Most known as Economic Gain, Territorial Gain, Religion, Civil War, Revolutionary War, Defensive War, and Nationalism. In pre-industrial times, the gain from a conflict war often sought by gold and silver miners.
(Economic and Territorial Gain) Sometimes, a country's desire to take over another's wealth is the main reason for way. In other cases, it may be the desire to gain control of a country's resources. A country can decide how much land it needs to develop. It can also use the territorial as a "buffer zone" between two hostile enemies.
(Religion and Nationalism) Religious conflicts can be dormant for decades, then reemerge in a flash. They can be triggered by various factors such as a nationalisms revenge. Nationalism in this context is the attempt to prove that your country is better than another. This often leads to an invasion. Professor Richard Lebow of kings collage London argues that the main cause of was is not security but the spirit of the nation.
(Revenge and Civil War) Revenge can be a factor in the formation of the chain of wars. It also motivate people to retaliate for perceived slights. There can also be sharp disagreements within a country's political and military leadership. These can erupt when the country's leaders are at odds with each other over who should run the country and its people rights.
(Revolutionary War and Defensive War ) A revolutionary occurs when a large section of a country's populations revolts against a certain group of individual due to their dissatisfaction with their leadership. In the modern world, countries often argue that they are fighting a defensive war, which is therefore a "just war". This argument is especially controversial when it comes to preemptive strikes.
There are various types of war, such as civil wars, revolutionary war, and religious wars.