WW 1 causes

The four M.A.I.N causes of the war are.

-Militarism: The belief or desire of a government or people that a country should maintain a strong military capability and be prepared to use it aggressively to defend or promote national interests.

-Alliances:  A close association of nations or other groups, formed to advance common interests or causes.

-Imperialism: A policy or practice by which a country increases its power by gaining control over other areas of the world.

-Nationalism: A feeling that people have of being loyal to and proud of their country often with the belief that it is better and more important than other countries.

Zimmerman note:

The Zimmermann Telegram was a 1917 diplomatic proposal from the German Empire for Mexico to join the Central Powers, in the event of the United States entering World War I on the side of the Entente Powers. The proposal was intercepted and decoded by British intelligence. This makes brittish scard because the central powers are getting stronger.

Sussex pledge:

 The Sussex pledge was a promise made in 1916 during World War I by Germany to the United States prior to the latter's entry into the war. If the germans broke this promace americans would have a reason to go to war.

Unrestricted sub warfare: 

A type of naval warfare in which submarines sink vessels such as freighters and tankers without warning. Germens stated sinking ships.

Lusitania:

RMS Lusitania was a British ocean liner, holder of the Blue Riband and briefly the world's biggest ship. She was launched by the Cunard Line in 1907. it brought new technology and it scared the germans.

The spark of the war was the assasign the duke of france