A religious war or holy war is a war primarily caused or justified by differences in religion.
Religion is a cultural system of behaviors and practices, world views, sacred texts, holy places, ethics, and societal organisation that relate humanity to what an anthropologist has called "an order of existence".
War is a state of armed conflict between societies.
Religious war in Somalia by infolivetvenglish
The account of the conquest of Canaan by the Israelites in the Book of Joshua, the Muslim conquests of the 7th and 8th centuries, and the Christian Crusades and Wars of Religion are sometimes classified as examples.
The Crusades were a series of religious wars sanctioned by the Latin Church between the 11th and 16th centuries, especially the campaigns in the Eastern Mediterranean with the aim of capturing Jerusalem from Islamic rule.
The Book of Joshua is the sixth book in the Hebrew Bible and the first book of the Deuteronomistic history, the story of Israel from the conquest of Canaan to the Babylonian exile.
A Muslim, sometimes spelled Moslem, relates to a person who follows or practises the religion of Islam, a monotheistic and Abrahamic religion based on the Quran.
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A religious aspect has been part of warfare in some cultures as early as the battles of the Mesopotamian city-states.
Mesopotamia is a name for the area of the Tigris–Euphrates river system, in modern days roughly corresponding to most of Iraq plus Kuwait, the eastern parts of Syria, and regions along the Turkish-Syrian and Iran–Iraq borders.
However, in the modern period, debates are common over the extent to which religious, economic, or ethnic aspects of a conflict predominate in a given war.
Some argue that since the very concept of "religion" is a modern invention, the term "religious war" does not apply to most wars in history.
In several ongoing conflicts including the Israeli-Palestinian conflict, the Syrian civil war, and the wars in Afghanistan and Iraq, religious arguments are overtly present but variously described as fundamentalism or religious extremism depending upon the observer's sympathies.
Extremism means, literally: driving to the limit, to the extreme or the quality or state of being extreme, advocacy of extreme measures or views.
The Israeli–Palestinian conflict is the ongoing struggle between Israelis and Palestinians that began in the mid-20th century.
The Syrian Civil War is an ongoing multi-sided armed conflict in Syria in which international interventions have taken place.