1.) Countries throughout the world have always made mutual defense agreements with their neighbors, treaties that could pull them into battle. These treaties meant that if one country was attacked, the allied countries were bound to defend them.
2.) Imperialism is when a country increases their power and wealth by bringing additional territories under their control, usually without outright colonizing or resettling them. The increasing competition and desire for greater empires led to an increase in confrontation that helped push the world into World War I.
Mutual Defense Alliances,Imperialism,Militarism,Nationalism,Assassination of Archduke Franz Ferdinand
World War I happened between July 1914 and November 11, 1918.The overview of the most frequently-cited issues that commenced to war are. Imperialism is when a country develops their power and wealth by making additional territories under their administration. The increasing competition and will for greater empires pointed to an increase in a confrontation that helped push the world into World War I.Much of the beginning of the war were based on the request of the Slavic peoples in Bosnia and Herzegovina to no longer be part of Austria Hungary but preferably be part of Serbia. The important cause of World War I that made the aforementioned items come into play (alliances, imperialism, militarism, nationalism) was the murder of Archduke Franz Ferdinand of Austria-Hungary.
Answer: Colonization put many ecosystems off course. Many colonies were bringing in organisms while many colonies were destroying them. The Europeans brought many diseases with them that put Native American populations at risk.
